{"title":"Hayes Wet Weather Brake Pads","description":"\u003cp\u003eGorilla Brakes: Wet-weather brake pads for Hayes. We’ve chosen our best-performing brake pads for wet conditions from each of our collections and brought them together here.\u003c\/p\u003e\u003cp\u003eOur brake pads come in three performance levels: \u003cstrong\u003eEnduro Pro\u003c\/strong\u003e, \u003cstrong\u003eFactory Racing\u003c\/strong\u003e and \u003cstrong\u003ePerformance\u003c\/strong\u003e. We've selected our best wet-weather pads from each range to make it easier for you to choose. Availability varies by brake model.\u003c\/p\u003e\u003ch2\u003eThree wet-weather choices\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnduro Pro: Semi-Metallic.\u003c\/strong\u003e Our Enduro Pro wet-weather choice for versatile braking and heat management.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Racing: STEALTH.\u003c\/strong\u003e Our Factory Racing wet-weather choice for controlled braking and a quieter feel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance: Sintered.\u003c\/strong\u003e Our Performance wet-weather choice for durability in rain, mud and winter conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMatch your exact brake caliper model and pad shape before ordering. Check the selected product's rotor compatibility, pad thickness and pack contents, then follow its fitting and bedding-in instructions. Compound availability varies by caliper.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/finder.gorillabrakes.com\/\"\u003eFind pads for your brakes\u003c\/a\u003e · \u003ca href=\"\/pages\/gorilla-brakes-compound-comparison\"\u003eCompare our compounds\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"gorilla-brakes-sintered-disc-brake-pads-compatible-with-hayes-sole-mx-series-mx-2-mx-3-mx-4-mx-5","title":"Hayes Sole \/ CX \/ MX-2 \/ MX-3 \/ MX-4 \/ MX-5  Disc Brake Pads | Gorilla Brakes Sintered","description":"\u003cp\u003eGorilla Brakes Sintered brake pads for the compatible calipers listed below.\u003c\/p\u003e\n\u003cp\u003eMatch your existing pad shape and exact caliper model before ordering. The performance information describes the Sintered friction compound.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompound:\u003c\/strong\u003e Sintered\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacking plate:\u003c\/strong\u003e Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePad shape:\u003c\/strong\u003e Hayes Sole \/ CX \/ MX pad shape\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRiding:\u003c\/strong\u003e Cold, wet and muddy conditions; winter commuting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack contents:\u003c\/strong\u003e 2 brake pads; no spring or retaining hardware\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage:\u003c\/strong\u003e 1 compatible brake caliper\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEach pack contains one pair of brake pads (2 pads) for one compatible caliper. No spring or retaining hardware is included. Follow the Hayes installation instructions for your caliper and check its existing hardware before fitting.\u003c\/p\u003e\n\u003ch2\u003eSintered\u003c\/h2\u003e\n\u003cp\u003eStrong wet-weather braking and durable performance for cold, wet and muddy rides. A good choice for winter commuting and everyday riding in poor weather.\u003c\/p\u003e\n\u003cp\u003ePublished results describe the tested pad, rotor and brake setup. Graph values are approximate; actual braking and wear depend on your setup and riding conditions.\u003c\/p\u003e\n\u003ch2\u003eSintered: braking power\u003c\/h2\u003e\n\u003cp\u003eThese pads use a steel backing plate.\u003c\/p\u003e\n\u003cp\u003eBraking power versus rotor temperature in the published comparison. The graph includes several pad, rotor and backing plate configurations; it does not measure caliper temperature or backing plate cooling time.\u003c\/p\u003e\n\u003cp\u003eFollow the Gorilla Sintered curve. Its highest plotted output in the Shimano XT RT86 rotor comparison was approximately 1,020 W. Values are approximate reconstructions from the supplied graph. This result describes the tested pad and rotor setup, not a maximum power rating or a fitment test.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/gorillabrakes.com\/pages\/gorilla-brakes-compound-comparison\"\u003eExplore the full compound comparison and testing\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eFor the Hayes Sole, CX and MX models listed below. Match the existing pad shape; Hayes MX-1 uses a different pad family.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eBrake family\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eCompatible calipers\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHayes Sole\u003c\/th\u003e\n\u003ctd\u003eSole (So1e)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHayes MX\u003c\/th\u003e\n\u003ctd\u003eMX-2, MX-2 XC, MX-3, MX-4, MX-5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHayes CX\u003c\/th\u003e\n\u003ctd\u003eCX series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eE-bike recommendation\u003c\/h3\u003e\n\u003cp\u003eSintered pads can be used on compatible e-bikes when permitted by the brake and rotor manufacturers. Sintered pads generate a lot of heat, which can transfer to the caliper faster than with other compounds in our range. For high-heat applications, Gorilla Brakes recommends the Enduro Pro and Factory Racing compounds.\u003c\/p\u003e\n\u003ch3\u003eRotor compatibility\u003c\/h3\u003e\n\u003cp\u003eUse Sintered pads only with rotors approved for metallic or sintered pads. Do not use them with rotors marked “resin pads only”.\u003c\/p\u003e\n\u003cp\u003eRotor diameter and thickness must meet your brake manufacturer’s specifications. Check rotor condition and minimum permitted thickness before fitting new pads.\u003c\/p\u003e\n\u003ch2\u003eFitting and bedding in\u003c\/h2\u003e\n\u003cp\u003eFollow the installation guide for your braking system, then complete the recommended bedding-in procedure before normal riding.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/how-to-install-gorilla-brakes-disc-brake-pads\"\u003eFitting and bedding in\u003c\/a\u003e · \u003ca href=\"\/pages\/bedding-in-new-brake-pads-guide\"\u003eBedding-in guide\u003c\/a\u003e\u003c\/p\u003e","brand":"Gorilla Brakes","offers":[{"title":"Default Title","offer_id":55631189442943,"sku":"SIN-HAYES-MX","price":12.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0765\/9831\/3279\/files\/gorilla-sintered-brake-pads-hayes-sole-mx-series.jpg?v=1750947856"},{"product_id":"sintered-brake-pads-hayes-stroker-dyno-prime","title":"Hayes Stroker Ryde \/  Dyno \/ Radar \/ Prime Sintered Disc Brake Pads | Gorilla Brakes","description":"\u003cp\u003eGorilla Brakes Sintered brake pads for the compatible calipers listed below.\u003c\/p\u003e\n\u003cp\u003eMatch your existing pad shape and exact caliper model before ordering. The performance information describes the Sintered friction compound.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompound:\u003c\/strong\u003e Sintered\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacking plate:\u003c\/strong\u003e Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePad shape:\u003c\/strong\u003e Hayes Stroker Ryde \/ Dyno \/ Radar \/ Prime Sport pad shape\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRiding:\u003c\/strong\u003e Cold, wet and muddy conditions; winter commuting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack contents:\u003c\/strong\u003e 2 brake pads and 1 pad spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage:\u003c\/strong\u003e 1 compatible brake caliper\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEach pack contains one pair of pads (2 pads) and 1 spring for one compatible caliper. For front and rear replacement, check both calipers and order the appropriate pack for each.\u003c\/p\u003e\n\u003ch2\u003eSintered\u003c\/h2\u003e\n\u003cp\u003eStrong wet-weather braking and durable performance for cold, wet and muddy rides. A good choice for winter commuting and everyday riding in poor weather.\u003c\/p\u003e\n\u003cp\u003ePublished results describe the tested pad, rotor and brake setup. Graph values are approximate; actual braking and wear depend on your setup and riding conditions.\u003c\/p\u003e\n\u003ch2\u003eSintered: braking power\u003c\/h2\u003e\n\u003cp\u003eThese pads use a steel backing plate.\u003c\/p\u003e\n\u003cp\u003eBraking power versus rotor temperature in the published comparison. The graph includes several pad, rotor and backing plate configurations; it does not measure caliper temperature or backing plate cooling time.\u003c\/p\u003e\n\u003cp\u003eFollow the Gorilla Sintered curve. Its highest plotted output in the Shimano XT RT86 rotor comparison was approximately 1,020 W. Values are approximate reconstructions from the supplied graph. This result describes the tested pad and rotor setup, not a maximum power rating or a fitment test.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/gorillabrakes.com\/pages\/gorilla-brakes-compound-comparison\"\u003eExplore the full compound comparison and testing\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eFor Hayes Stroker Ryde, Dyno, Radar and Prime Sport calipers listed below. Other Stroker and Prime models use different pad shapes.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eBrake family\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eCompatible calipers\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHayes Stroker Ryde\u003c\/th\u003e\n\u003ctd\u003eStroker Ryde, Stroker Ryde Comp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHayes Dyno\u003c\/th\u003e\n\u003ctd\u003eDyno Comp, Dyno Sport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHayes Radar\u003c\/th\u003e\n\u003ctd\u003eRadar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHayes Prime Sport\u003c\/th\u003e\n\u003ctd\u003ePrime Sport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eE-bike recommendation\u003c\/h3\u003e\n\u003cp\u003eSintered pads can be used on compatible e-bikes when permitted by the brake and rotor manufacturers. Sintered pads generate a lot of heat, which can transfer to the caliper faster than with other compounds in our range. For high-heat applications, Gorilla Brakes recommends the Enduro Pro and Factory Racing compounds.\u003c\/p\u003e\n\u003ch3\u003eRotor compatibility\u003c\/h3\u003e\n\u003cp\u003eUse Sintered pads only with rotors approved for metallic or sintered pads. Do not use them with rotors marked “resin pads only”.\u003c\/p\u003e\n\u003cp\u003eRotor diameter and thickness must meet your brake manufacturer’s specifications. Check rotor condition and minimum permitted thickness before fitting new pads.\u003c\/p\u003e\n\u003ch2\u003eFitting and bedding in\u003c\/h2\u003e\n\u003cp\u003eFollow the installation guide for your braking system, then complete the recommended bedding-in procedure before normal riding.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/how-to-install-gorilla-brakes-disc-brake-pads\"\u003eFitting and bedding in\u003c\/a\u003e · \u003ca href=\"\/pages\/bedding-in-new-brake-pads-guide\"\u003eBedding-in guide\u003c\/a\u003e\u003c\/p\u003e","brand":"Gorilla Brakes","offers":[{"title":"Default Title","offer_id":55631392014719,"sku":"SINHAYES-STROKER","price":12.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0765\/9831\/3279\/files\/gorilla-sintered-brake-pads-hayes-stroker-dyno-prime.jpg?v=1750950050"},{"product_id":"enduro-pro-semi-metallic-hayes-dominion-a2-t2","title":"HAYES Dominion A2 \/ T2 – Enduro Pro Semi-Metallic Disc Brake Pads | Gorilla Brakes","description":"\u003cp\u003eGorilla Brakes Enduro Pro Semi-Metallic replacement brake pads for Hayes Dominion A2 \/ T2 calipers, with a compound developed for demanding braking.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompound:\u003c\/strong\u003e Enduro Pro Semi-Metallic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacking plate:\u003c\/strong\u003e Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePad shape:\u003c\/strong\u003e Hayes Dominion A2 \/ T2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRiding:\u003c\/strong\u003e Cross-country, trail and compatible e-MTB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack contents:\u003c\/strong\u003e 2 brake pads and 1 pad spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage:\u003c\/strong\u003e 1 compatible brake caliper\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEach pack contains 2 brake pads and 1 pad spring, for one compatible caliper. Order two packs to replace both front and rear pads after checking both calipers use this pad shape.\u003c\/p\u003e\n\u003ch2\u003eEnduro Pro Semi-Metallic\u003c\/h2\u003e\n\u003cp\u003eA versatile compound for trail, enduro and loaded riding. Our published testing highlights its dry braking performance and a cooler caliper than Sintered at comparable rotor temperatures.\u003c\/p\u003e\n\u003cp\u003eThese findings describe the tested samples and setups, not separate tests of every pad shape or caliper. Actual braking performance, temperature and wear depend on your braking system and riding conditions.\u003c\/p\u003e\n\u003ch3\u003eCompound ratings out of 10\u003c\/h3\u003e\n\u003cp\u003eThese scores describe the friction compound.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBraking performance: 9 out of 10\u003c\/li\u003e\n\u003cli\u003eFade resistance: 9 out of 10\u003c\/li\u003e\n\u003cli\u003eHeat resistance: 9 out of 10\u003c\/li\u003e\n\u003cli\u003eLifespan: 8 out of 10\u003c\/li\u003e\n\u003cli\u003eQuietness: 9 out of 10\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRatings from the supplied Enduro Pro compound chart. Higher scores indicate stronger performance in that category; a higher quietness score means quieter braking.\u003c\/p\u003e\n\u003ch2\u003eHeat management: Semi-Metallic and Sintered\u003c\/h2\u003e\n\u003cp\u003eThese pads use a steel backing plate. The ratings shown on this page describe the Enduro Pro Semi-Metallic compound, not the backing plate.\u003c\/p\u003e\n\u003cp\u003eThis chart compares compounds. It does not compare aluminium and steel backing plates.\u003c\/p\u003e\n\u003cp\u003eIn this comparison, the Enduro Pro Semi-Metallic sample maintained a lower caliper temperature than Sintered at comparable rotor temperatures. Values are approximate reconstructions from the supplied test graph. This is a comparison of tested samples, not a measurement of cooling time or a fitment test.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/gorillabrakes.com\/pages\/gorilla-brakes-compound-comparison\"\u003eExplore the full compound comparison and testing\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThese pads fit two-piston Dominion A2\/T2 calipers. They do not fit four-piston Dominion A4\/T4 calipers.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eBrake family\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eCompatible calipers\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDominion 2-piston\u003c\/th\u003e\n\u003ctd\u003eA2, T2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDominion with Short Reach Lever\u003c\/th\u003e\n\u003ctd\u003eA2 SRL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eE-bike and loaded riding\u003c\/h3\u003e\n\u003cp\u003eEnduro Pro Semi-Metallic is an e-bike-rated compound recommended for electric bikes, heavy cargo bikes and loaded touring. Use this pad shape only with the compatible calipers listed here, and match the complete brake setup to your bike and total load.\u003c\/p\u003e\n\u003ch3\u003eRotor compatibility\u003c\/h3\u003e\n\u003cp\u003eThis compound is suitable for all bicycle disc brake rotor types, including rotors marked “resin pads only”.\u003c\/p\u003e\n\u003cp\u003eRotor diameter and thickness must meet your brake manufacturer’s specifications. Check the rotor’s condition and minimum permitted thickness before fitting new pads.\u003c\/p\u003e\n\u003ch2\u003eFitting and bedding in\u003c\/h2\u003e\n\u003cp\u003eFollow our installation guide, then complete the recommended bedding-in procedure to prepare the new friction material and establish an even transfer layer on the rotor.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/how-to-install-gorilla-brakes-disc-brake-pads\"\u003eFitting and bedding in\u003c\/a\u003e · \u003ca href=\"\/pages\/bedding-in-new-brake-pads-guide\"\u003eBedding-in guide\u003c\/a\u003e\u003c\/p\u003e","brand":"Gorilla Brakes","offers":[{"title":"Default Title","offer_id":55941326602623,"sku":"HAYES-A2-ENDUROPRO-SM","price":19.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0765\/9831\/3279\/files\/gorilla-brakes-enduro-pro-semi-metallic-hayes-a2-t2.jpg?v=1756228315"},{"product_id":"enduro-pro-semi-metallic-hayes-dominion-a4-t4","title":"HAYES Dominion \/ A4 \/ T4 – Enduro Pro Semi-Metallic Disc Brake Pads | Gorilla Brakes","description":"\u003cp\u003eGorilla Brakes Enduro Pro Semi-Metallic replacement brake pads for Hayes Dominion A4 \/ T4 calipers, with a compound developed for demanding braking.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompound:\u003c\/strong\u003e Enduro Pro Semi-Metallic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacking plate:\u003c\/strong\u003e Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePad shape:\u003c\/strong\u003e Hayes Dominion A4 \/ T4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRiding:\u003c\/strong\u003e Trail, enduro, downhill and e-MTB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack contents:\u003c\/strong\u003e 2 brake pads and 1 pad spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage:\u003c\/strong\u003e 1 compatible brake caliper\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEach pack contains 2 brake pads and 1 pad spring, for one compatible caliper. Order two packs to replace both front and rear pads after checking both calipers use this pad shape.\u003c\/p\u003e\n\u003ch2\u003eEnduro Pro Semi-Metallic\u003c\/h2\u003e\n\u003cp\u003eA versatile compound for trail, enduro and loaded riding. Our published testing highlights its dry braking performance and a cooler caliper than Sintered at comparable rotor temperatures.\u003c\/p\u003e\n\u003cp\u003eThese findings describe the tested samples and setups, not separate tests of every pad shape or caliper. Actual braking performance, temperature and wear depend on your braking system and riding conditions.\u003c\/p\u003e\n\u003ch3\u003eCompound ratings out of 10\u003c\/h3\u003e\n\u003cp\u003eThese scores describe the friction compound.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBraking performance: 9 out of 10\u003c\/li\u003e\n\u003cli\u003eFade resistance: 9 out of 10\u003c\/li\u003e\n\u003cli\u003eHeat resistance: 9 out of 10\u003c\/li\u003e\n\u003cli\u003eLifespan: 8 out of 10\u003c\/li\u003e\n\u003cli\u003eQuietness: 9 out of 10\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRatings from the supplied Enduro Pro compound chart. Higher scores indicate stronger performance in that category; a higher quietness score means quieter braking.\u003c\/p\u003e\n\u003ch2\u003eHeat management: Semi-Metallic and Sintered\u003c\/h2\u003e\n\u003cp\u003eThese pads use a steel backing plate. The ratings shown on this page describe the Enduro Pro Semi-Metallic compound, not the backing plate.\u003c\/p\u003e\n\u003cp\u003eThis chart compares compounds. It does not compare aluminium and steel backing plates.\u003c\/p\u003e\n\u003cp\u003eIn this comparison, the Enduro Pro Semi-Metallic sample maintained a lower caliper temperature than Sintered at comparable rotor temperatures. Values are approximate reconstructions from the supplied test graph. This is a comparison of tested samples, not a measurement of cooling time or a fitment test.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/gorillabrakes.com\/pages\/gorilla-brakes-compound-comparison\"\u003eExplore the full compound comparison and testing\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eCheck the caliper model: these are the four-piston A4\/T4 pads. They do not fit the two-piston Dominion A2\/T2.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eBrake family\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eCompatible calipers\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDominion 4-piston\u003c\/th\u003e\n\u003ctd\u003eA4, T4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDominion with Short Reach Lever\u003c\/th\u003e\n\u003ctd\u003eA4 SRL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eE-bike and loaded riding\u003c\/h3\u003e\n\u003cp\u003eEnduro Pro Semi-Metallic is an e-bike-rated compound recommended for electric bikes, heavy cargo bikes and loaded touring. Use this pad shape only with the compatible calipers listed here, and match the complete brake setup to your bike and total load.\u003c\/p\u003e\n\u003ch3\u003eRotor compatibility\u003c\/h3\u003e\n\u003cp\u003eThis compound is suitable for all bicycle disc brake rotor types, including rotors marked “resin pads only”.\u003c\/p\u003e\n\u003cp\u003eRotor diameter and thickness must meet your brake manufacturer’s specifications. Check the rotor’s condition and minimum permitted thickness before fitting new pads.\u003c\/p\u003e\n\u003ch2\u003eFitting and bedding in\u003c\/h2\u003e\n\u003cp\u003eFollow our installation guide, then complete the recommended bedding-in procedure to prepare the new friction material and establish an even transfer layer on the rotor.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/how-to-install-gorilla-brakes-disc-brake-pads\"\u003eFitting and bedding in\u003c\/a\u003e · \u003ca href=\"\/pages\/bedding-in-new-brake-pads-guide\"\u003eBedding-in guide\u003c\/a\u003e\u003c\/p\u003e","brand":"Gorilla Brakes","offers":[{"title":"Default Title","offer_id":55941335155071,"sku":"N90-HAYES-A4-END-PRO-SEMI","price":19.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0765\/9831\/3279\/files\/gorilla-brakes-enduro-pro-semi-metallic-hayes-a4-t4.jpg?v=1756228693"},{"product_id":"factory-racing-stealth-hayes-dominion-a4-t4","title":"HAYES Dominion \/ A4 \/ T4 – Factory Racing STEALTH Disc Brake Pads | Gorilla Brakes","description":"\u003cp\u003eGorilla Brakes Factory Racing STEALTH brake pads for the compatible calipers listed below.\u003c\/p\u003e\n\u003cp\u003eMatch your existing pad shape and exact caliper model before ordering. The shared ratings describe the Factory Racing STEALTH friction compound.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompound:\u003c\/strong\u003e Factory Racing STEALTH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacking plate:\u003c\/strong\u003e Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePad shape:\u003c\/strong\u003e Hayes Dominion A4 \/ T4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRiding:\u003c\/strong\u003e Trail, road and gravel; compatible e-bike use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack contents:\u003c\/strong\u003e 2 brake pads and 1 pad spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage:\u003c\/strong\u003e 1 compatible brake caliper\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEach pack contains 2 brake pads and 1 pad spring, for one compatible caliper. Order two packs to replace both front and rear pads after checking both calipers use this pad shape.\u003c\/p\u003e\n\u003ch2\u003eFactory Racing STEALTH\u003c\/h2\u003e\n\u003cp\u003eQuiet braking and control for trail, road and gravel. Its tested profile covers dry and wet braking, lifespan, quietness and heat dissipation.\u003c\/p\u003e\n\u003cp\u003eFactory Racing STEALTH appears as Factory Racing Stealth Purple in the comparison data. Scores are approximate readings from the supplied chart; actual braking and wear depend on your brake setup and riding conditions.\u003c\/p\u003e\n\u003ch3\u003eCompound ratings out of 10\u003c\/h3\u003e\n\u003cp\u003eThese scores describe the friction compound.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDry braking: ≈9 out of 10\u003c\/li\u003e\n\u003cli\u003eWet braking: ≈8 out of 10\u003c\/li\u003e\n\u003cli\u003eLifespan: ≈8 out of 10\u003c\/li\u003e\n\u003cli\u003eQuietness: ≈8.5 out of 10\u003c\/li\u003e\n\u003cli\u003eHeat dissipation: ≈9 out of 10\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eApproximate ratings out of 10 from the supplied Factory Racing compound chart. Higher ratings indicate stronger performance in that category; a higher quietness rating means quieter braking.\u003c\/p\u003e\n\u003ch2\u003eFactory Racing STEALTH: braking power\u003c\/h2\u003e\n\u003cp\u003eThese pads use a steel backing plate. The ratings shown on this page describe the Factory Racing STEALTH friction compound.\u003c\/p\u003e\n\u003cp\u003eBraking power versus rotor temperature in the published comparison. The graph includes several pad, rotor and backing plate configurations; it does not measure backing plate cooling time.\u003c\/p\u003e\n\u003cp\u003eFollow the Factory Racing Stealth Purple curve for the Factory Racing STEALTH compound. In the Shimano XT RT86 rotor comparison, its highest plotted output was approximately 1,030 W. Values are approximate reconstructions from the supplied graph. This result describes the tested pad and rotor setup, not a maximum power rating or a fitment test.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/gorillabrakes.com\/pages\/gorilla-brakes-compound-comparison\"\u003eExplore the full compound comparison and testing\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eCheck the caliper model: these are the four-piston A4\/T4 pads. They do not fit the two-piston Dominion A2\/T2.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eBrake family\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eCompatible calipers\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDominion 4-piston\u003c\/th\u003e\n\u003ctd\u003eA4, T4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDominion with Short Reach Lever\u003c\/th\u003e\n\u003ctd\u003eA4 SRL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eE-bike use\u003c\/h3\u003e\n\u003cp\u003eFactory Racing STEALTH is an e-bike-rated compound. Use this pad shape only with the compatible calipers listed here, and match the complete brake setup to your bike and total load.\u003c\/p\u003e\n\u003ch3\u003eRotor compatibility\u003c\/h3\u003e\n\u003cp\u003eThis compound is suitable for all bicycle disc brake rotor types, including rotors marked “resin pads only”.\u003c\/p\u003e\n\u003cp\u003eRotor diameter and thickness must meet your brake manufacturer’s specifications. Check rotor condition and minimum permitted thickness before fitting new pads.\u003c\/p\u003e\n\u003ch2\u003eFitting and bedding in\u003c\/h2\u003e\n\u003cp\u003eFollow the installation guide for your braking system, then complete the recommended bedding-in procedure before normal riding.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/how-to-install-gorilla-brakes-disc-brake-pads\"\u003eFitting and bedding in\u003c\/a\u003e · \u003ca href=\"\/pages\/bedding-in-new-brake-pads-guide\"\u003eBedding-in guide\u003c\/a\u003e\u003c\/p\u003e","brand":"Gorilla Brakes","offers":[{"title":"Default Title","offer_id":56078535983487,"sku":"BP-69T-SP-69-HAY-DOM","price":15.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0765\/9831\/3279\/files\/gorilla-brakes-factory-racing-stealth-hayes-dominion-a4-t4.jpg?v=1758294780"}],"url":"https:\/\/gorillabrakes.com\/collections\/hayes-wet-weather-brake-pads.oembed","provider":"Gorilla Brakes","version":"1.0","type":"link"}