Shimano XTR / XT / SLX / Saint / ZEE – Factory Racing Stealth Disc Brake Pads (D / H / N-Type) | Gorilla Brakes

Name: Shimano XTR / XT / SLX / Saint / ZEE – Factory Racing Stealth Disc Brake Pads (D / H / N-Type) | Gorilla Brakes
Brand: Gorilla Brakes
SKU: BP-43T-SP-43-SAINT
Price: 15.99 GBP
Availability: InStock

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Selected compound: Factory Racing STEALTHQuiet braking and control for trail, road and gravel. Its tested profile covers dry and wet braking, lifespan, quietness and heat dissipation.

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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 Factory Racing STEALTH brake pads for the compatible calipers listed below.

Match your existing pad shape and exact caliper model before ordering. The shared ratings describe the Factory Racing STEALTH friction compound.

At a glance

Specifications

Compound: Factory Racing STEALTH
Backing plate: Steel
Pad shape: Shimano D-Type fitment
Riding: Trail, road and gravel; compatible e-bike use
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

These pads are for the listed Shimano 4-piston calipers. Check the exact caliper model; two-piston versions from the same groupset use different pads.

Compatible calipers
Brake family	Compatible calipers
XTR 4-piston	BR-M9120, BR-M9220
Deore XT 4-piston	BR-M8020, BR-M8120, BR-M8220
SLX 4-piston	BR-M7120
Deore 4-piston	BR-M6120, BR-M6220
Shimano MT 4-piston	BR-MT420, BR-MT520
Saint / ZEE	BR-M810, BR-M820, BR-M640
CUES 4-piston	BR-U8020

E-bike use

Factory 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.

Rotor compatibility

This compound is suitable for all bicycle disc brake rotor types, including 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

Factory Racing STEALTH

Quiet braking and control for trail, road and gravel. Its tested profile covers dry and wet braking, lifespan, quietness and heat dissipation.

Factory 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.

Compound ratings out of 10

These scores describe the friction compound.

Dry braking: ≈9
Wet braking: ≈8
Lifespan: ≈8
Quietness: ≈8.5
Heat dissipation: ≈9

Approximate 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.

Compound testing

Factory Racing STEALTH: braking power

These pads use a steel backing plate. The ratings shown on this page describe the Factory Racing STEALTH friction compound.

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.

Highlight a compound

All curves shown

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 Factory Racing Stealth Purple curve for the 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.

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.

Compare against other brands

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 performance ratings describe?

These approximate ratings describe the Factory Racing STEALTH friction compound and are read from the supplied Factory Racing chart. Individual pad shapes, backing plates and calipers have not been separately scored. Higher ratings indicate stronger performance in that category; a higher quietness rating means quieter braking.

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?

This compound is suitable for all bicycle disc brake rotor types, including rotors marked “resin pads only”. Rotor diameter and thickness must meet your brake manufacturer’s specifications. Check the rotor’s 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?

Yes. Factory 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.

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.

Product video

Factory Racing STEALTH brake pad compound

An overview of Gorilla Brakes Factory Racing STEALTH brake pads. See the product information for the compatible calipers, backing plate and pack contents.

Watch on YouTube

5 stars: 64 (89%)
4 stars: 4 (6%)
3 stars: 4 (6%)
2 stars: 0 (0%)
1 star: 0 (0%)

Some of the reviews shown are from related products the merchant grouped with this one.

First time using gorilla brake pads. They work a treat on DH bike running TRPs with 230mm rotas.

Mr Matthew w Smith Wedmore Wrought Iron review photo

Hi there, thank you for trying out our Gorilla brake pads! We're glad to hear that they worked well on your DH bike with TRP brakes. Happy riding!

Good pad for the winter weather in the UK.

Thank you for leaving a review for our Shimano Sintered Disc Brake Pads. We're glad to hear that they are working well for you during the winter weather in the UK. Our sintered pads are designed to provide reliable braking performance in all conditions. Thank you for choosing Gorilla Brakes. Ride on!

Brilliant pads. They do what they say they do!! Can't ask for more - until you wear the current ones out!! 😁

Hi Terry, thank you for your fantastic review! We're glad you're happy with the pads. Enjoy riding, and feel free to reach out when it's time for a new set!

really good pads well improved my mtb braking

Hi Jason, we're thrilled to hear that our pads improved your MTB braking! Thanks for sharing your experience.

Work really well happy with purchase would buy again

Thanks for your great feedback! We're thrilled you're happy with your purchase and look forward to serving you again.

Excellent performance and bedded in really quickly, zero noise, very pleased, better than the shimano pads they replaced.

Hi Rob, we're thrilled to hear you're pleased with the performance of the Gorilla Brakes! Thanks for sharing your experience and for choosing us over Shimano. Enjoy your riding!

the best pads by far, and you can't beat gorilla brakes for service and delivery time. excellent

Thank you for you Kind words,

Been using these pads in my HEL Advocate brakes on my Yeti LTe, big bike with a big rider need plenty of stopping power and these pads work for me.

Hi David, we're thrilled to hear these pads are meeting your stopping power needs on your Yeti LTe! Thanks for sharing your experience.

Really like these pads. The bite point is very consistent and they haven't faded even on long descents. Definitely worth the money if you want some good quality brake pads

Thanks Oliver we love the factory racing pads too have an awesome week

Great company, great product. I purchased some Enduro pro pads and upon running in, found them incredibly noisy. I left a review and was then contacted by the company owner who was calling to see if he could help. Turns out, the brand new rotors I had purchased from Magura are renowned for this. Lee organised an alternative set of pads at no cost. It’s taken me a couple of weeks to get the opportunity to try these out, but I’ve just completed the London to Brighton off road event this weekend with complete silence from the brakes. Can’t recommend this company enough

Second set of these pads now my choice of stoppers. Wore the first set out quicker than normal due to the pads giving increased confidence so instead of looking down a descent and thinking nah forget it I will come a cropper and not stop, I now go you know what go for it I will stop. Bit of a weird thing having better brakes make you go faster and harder as you have the confidence you can stop

Hi Catherine, we're thrilled to hear these pads give you the confidence to ride harder and faster! Thanks for sharing your experience, and happy riding!

Very stoppie

Hi there! Glad to hear you're happy with the stopping power. Thanks for your review!

The pads sent do not have the cooling fins attached to them as they should with the Shimano M8220/M8200 calipers .
I’ve not tried fitting the ones sent yet but it is disappointing that they are not the correct spec .
Delivery was fast and service reliable as usual.

Hi Richard, thank you for your feedback and support. We’re sorry the pads were not what you expected. These Factory Racing Organic pads use a non-finned D-type back plate. Shimano lists both finned and non-finned pads as compatible with the four-piston BR-M8220 caliper. We understand you expected fins, so please leave them unused and contact us with your order number. We will arrange a return and help with a suitable alternative. Thank you for your kind words about our delivery and service.

Excellent pads

Thank you for the great feedback

Would rate gorilla brakes 5 stars had a small issue with the order I think the delivery label was missed, they responded to me quickly and answered any questions I asked, they were extremely polite and apologetic. Due to the inconvenience they sent me an extra set of pads.
The pads themselves perform extremely well, will continue to use them for my pads in the future

Hi Joseph, thank you for the kind words and for sharing your experience! We're glad you're happy with the pads and our customer service. We look forward to helping you again in the future!

Very quick delivery and fitted good

Thanks for your kind words! We're glad to hear you're happy with the delivery and fit. Enjoy riding with your new brakes!

We've used these for every round of the UK DH championship, UK DH Nationals.and. few IXS rounds. They have always provided excellent consistent grip and longevity through a wide range of conditions. An excellent pad compound.

Hi David, thanks so much for your fantastic review! We're thrilled to hear these pads have consistently performed well for your races. Happy riding!

Excellent product. Highly recommended

Thank you for your kind words! We're thrilled to hear you're satisfied with our brake pads. Happy riding!

I love mine, they're watched for performance and value.

Hi Mark, we're thrilled to hear you love your Gorilla Brakes! Thanks for sharing your positive experience. Enjoy your rides!

Instant upgrade - should have tried gorilla sooner!

Hi Paul, we're thrilled to hear you experienced an instant upgrade! Thanks for choosing Gorilla Brakes and for sharing your positive feedback.

Good performance, have used in both wet and dry conditions. No noise from them
Shipped quickly

Hi there! Thanks for sharing your experience. We're glad to hear the pads perform well in all conditions and that you received your order quickly. Enjoy your ride!

Arrived quickly well packaged fitted easily and so far perform really well

Hi Michael, thank you for your kind words! We're glad to hear the pads arrived quickly and are working well for you. Enjoy your rides!

I've from Swissstop to Gorilla and I couldn't be more impressed.

Hi Darren, we're thrilled to hear you're impressed! Thanks for choosing Gorilla Brakes, and enjoy your rides!

Great brake pads, brought to replace like for like as they have been brilliant

Hi Jon, we're thrilled to hear you're happy with the brake pads! Thanks for sharing your positive experience. Enjoy your riding!

The pads are insane, the stopping power and fade resistance is incredible even for myself on an Emtb and being a heavier rider. So easy to fit, literally a 5 min min for the pair. 10/10 and will 100% be getting more when these need changing.

Hi Dan,

Thank you for the amazing feedback. That is exactly what the Enduro Pro Ultimate compound is built for powerful braking, strong fade resistance and reliable performance for heavier riders, e-MTBs and long descents.

Great to hear they were easy to fit and that you’re happy with the stopping power. Really appreciate the 10/10 review.

Kind regards,
Gorilla Brakes

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Shimano XTR / XT / SLX / Saint / ZEE – Factory Racing Stealth Disc Brake Pads (D / H / N-Type) | Gorilla Brakes

Shimano XTR / XT / SLX / Saint / ZEE – Factory Racing Stealth Disc Brake Pads (D / H / N-Type) | Gorilla Brakes

Specifications