• HOPE M4 – Sintered Disc Brake Pads | Gorilla Brakes
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HOPE M4 – Sintered Disc Brake Pads | Gorilla Brakes

HOPE M4 – Sintered Disc Brake Pads | Gorilla Brakes

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Selected compound: SinteredStrong wet-weather braking and durable performance for cold, wet and muddy rides. A good choice for winter commuting and everyday riding in poor weather.

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Front + rear?For front and rear, choose 2 packs if both calipers use this pad shape. Check the pack contents below.
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Gorilla Brakes Sintered brake pads for the compatible calipers listed below.

Match your existing pad shape and exact caliper model before ordering. The performance information describes the Sintered friction compound.

At a glance

Specifications

Compound
Sintered
Backing plate
Steel
Pad shape
Hope Tech M4 / Mono M4 pad shape
Riding
Cold, wet and muddy conditions; winter commuting
Pack contents
2 brake pads and 1 pad spring
Coverage
1 compatible brake caliper

Each 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.

Check before ordering

Compatibility

For Hope Tech M4 and Mono M4 calipers using this two-pad shape. Older DH4/M4 calipers that use four individual pads need a different pad set.

Brake familyCompatible calipers
Hope M4 monoblocTech M4, Mono M4

E-bike recommendation

Sintered 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.

Rotor compatibility

Use Sintered pads only with rotors approved for metallic or sintered pads. Do not use them with rotors marked “resin pads only”.

Rotor diameter and thickness must meet your brake manufacturer’s specifications. Check rotor condition and minimum permitted thickness before fitting new pads.

Compound performance

Sintered

Strong wet-weather braking and durable performance for cold, wet and muddy rides. A good choice for winter commuting and everyday riding in poor weather.

Published results describe the tested pad, rotor and brake setup. Graph values are approximate; actual braking and wear depend on your setup and riding conditions.

Compound testing

Sintered: braking power

These pads use a steel backing plate.

The graph compares pad compounds and backing-plate configurations, all tested with the Shimano XT RT86 rotor.

Why some curves stop earlier

Each test run stopped when the measured caliper temperature reached 120°C, the stopping threshold used to protect the piston seals in this test setup. The horizontal axis shows rotor temperature. Sintered’s shorter curve means the caliper reached the limit at a lower rotor temperature.

Swipe or scroll sideways to read the whole plot.

All curves shown

Gorilla compounds: braking power Bedded-in Gorilla pads tested with the Shimano XT RT86 rotor. Horizontal axis: rotor temperature (°C). Vertical axis: braking power (W), starting at 0. Approximate reconstruction from the supplied test graph. Samples: Enduro Pro Ultimate · Shimano XT RT86 rotor; Enduro Pro Ultimate · Aluminium backing · Shimano XT RT86 rotor; Enduro Pro Resin Black · Shimano XT RT86 rotor; Enduro Pro Semi Metallic Blue · Shimano XT RT86 rotor; Sintered · Shimano XT RT86 rotor; Factory Racing Stealth Purple · Shimano XT RT86 rotor; Factory Racing Green · Shimano XT RT86 rotor; Factory Racing Organic · Shimano XT RT86 rotor. Gorilla compounds: braking power 75 150 225 300 375 450 0 300 600 900 1,200 1,500 Rotor temperature (°C) Braking power (W) Each curve ends when the caliper reaches 120°C, the stopping limit used in this test. Approximate reconstruction from the supplied test image. Y-axis starts at 0.
About this test

This chart compares braking power for bedded-in pads, all tested with the Shimano XT RT86 rotor. The horizontal axis shows rotor temperature (°C); the vertical axis shows braking power (W). Each curve represents the compound and backing-plate configuration named in the selector. Compare curves within their plotted ranges; no result is shown beyond the end of a curve.

Follow 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.

Test context: All pads shown can be good choices for their intended use when correctly matched to the bike and rotor, installed and bedded in. A lower or shorter curve does not by itself make a pad a poor everyday choice. Real riding temperatures depend on the route, total load, braking technique and setup; this test does not establish a temperature limit for the average rider. Rotor choice can substantially affect braking power, but these results apply to the tested combinations. This comparison does not guarantee the same improvement on another bike or identify one best pad for every rider.

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Fitting and bedding in

Follow the installation guide for your braking system, then complete the recommended bedding-in procedure before normal riding.

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Help & fitting

Get your brakes ready

Check your fitment, prepare your brakes and find support.

Your questions

About these brake pads

Fitment, materials and performance explained.

What do the published test results show?

The published comparison plots braking power against rotor temperature. Follow the Gorilla Sintered curve to see its output in the Shimano XT RT86 test setup. The values are approximate readings from that test; results depend on the pad, rotor, brake setup and conditions.

How do I check that these pads fit my brakes?

Match the exact caliper model and existing pad shape to the compatibility table on this page. Do not rely on the brake lever name or series alone. Check the front and rear calipers separately, because some systems use different pad shapes at each end.

Which rotors can I use with this compound?

Use Sintered pads only with rotors approved for metallic or sintered pads. Do not use them with rotors marked “resin pads only”. Rotor diameter and thickness must meet your brake manufacturer’s specifications. Check rotor condition and minimum permitted thickness before fitting new pads.

Do new brake pads need bedding in?

Yes. Follow the installation guide and complete the recommended bedding-in procedure before demanding riding. Bedding in prepares the new friction material and establishes an even transfer layer on the rotor.

Can I use these pads on an e-bike?

Sintered 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.

What is included in one pack?

Each pack contains 2 brake pads and 1 pad spring for one compatible caliper. Check the front and rear calipers separately before ordering two packs.