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HAYES Dominion / A4 / T4 – Semi-Metallic Disc Brake Pads | Gorilla Brakes

HAYES Dominion / A4 / T4 – Semi-Metallic Disc Brake Pads | Gorilla Brakes

🔥 150,000+ riders trust Gorilla Brakes worldwide⭐ Rated 4.8/5 from verified customers

Regular price £10.99 GBP
Regular price Sale price £10.99 GBP
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Choose this compound if…A versatile balance of quiet operation, power and durability for mixed conditions.

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Front + rear?Most bikes use one pair per caliper. Choose 2 pairs to refresh front and rear together.
£10.99

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Orders placed before 2pm (Mon–Fri) ship the same working day

🔄 60-Day Returns After Delivery
Request a return within 60 calendar days after delivery. Voluntary return conditions apply

Compatible with HAYES Dominion, A4, and T4 4-piston calipers — designed for riders who value quiet braking, smooth modulation, and confident stopping power on mixed terrain.

Gorilla Brakes Semi-Metallic Pads offer a balanced blend of braking control, comfort, and durability. Built using a copper-infused organic compound, they deliver quiet performance and gentle rotor contact while maintaining consistent bite. Fully REACH-compliant and not e-bike rated.

✅ Compatibility Chart

HAYES Model Caliper Discipline
HAYES Dominion A4 Downhill, Enduro, Trail
HAYES T4 Trail, All-Mountain
HAYES A4-SRL Enduro, Trail

🔥 Compound Type: Semi-Metallic (Standard Range)

The Semi-Metallic Compound provides controlled braking feel and quiet performance, making it ideal for trail and all-mountain riders who want consistent friction and reduced vibration under braking.

Feature Performance Benefit
Low-metallic organic blend Quiet, smooth braking with reduced noise
Stable friction layer Consistent performance in dry or damp conditions
Rotor-friendly design Minimises disc wear for extended lifespan
Excellent modulation Predictable, controlled lever feel
OEM precision fit Exact dimensions for HAYES Dominion, A4, and T4 calipers

📦 What’s Included

  • 1 × Pair of brake pads (for one 4-piston caliper)
  • 1 × Spring clip
  • Eco-friendly recyclable packaging

🌍 Ideal For

  • Trail and enduro riders
  • All-mountain bikes and light e-MTBs
  • Riders seeking smooth, quiet braking
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🚀 Other Compounds Available

🏆 Enduro Pro — Highest Performance

Maximum heat control, consistency, and longevity for aggressive riding across e-Bike, MTB, Gravel & Road.

Enduro Pro Ultimate
Flagship compound for long alpine descents, sustained heat, and full-power e-bikes.
e-Bike • MTB • Gravel • Road
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Enduro Pro Semi-Metallic
Powerful, controlled braking with excellent wet-weather consistency.
e-Bike • MTB • Gravel • Road
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Enduro Pro Resin
Smoother, quieter braking feel where noise reduction is prioritised.
e-Bike • MTB • Gravel • Road
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🏁 Factory Racing — High Performance

Ride-feel focused compounds tuned for modulation and noise behaviour across e-Bike, MTB, Gravel & Road.

Factory Racing (Green)
High-load durability for bike parks, hard trail riding, and heavy e-bikes.
e-Bike • MTB • Gravel • Road
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Factory Racing Titanium
Silver-backed option for improved heat management on long descents.
e-Bike • MTB • Gravel • Road
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Factory Racing Stealth
Quiet, predictable modulation for mixed-discipline riding.
e-Bike • MTB • Gravel • Road
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Factory Racing Organic
Instant bite and ultra-quiet feel for lighter loads and drier conditions.
e-Bike • MTB • Gravel • Road
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🔧 Standard Compounds — Performance

Reliable, value-driven compounds for everyday riding across MTB, Gravel & Road.

Sintered
Maximum durability in wet, muddy conditions and on long, hot descents.
MTB • Gravel • Road
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Semi-Metallic
Balanced power and control with a smoother braking feel for everyday riding.
MTB • Gravel • Road
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Ceramic (Nano Tech)
Smooth braking with low rotor wear for mixed conditions.
MTB • Gravel • Road
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Enduro Ceramic
Added heat stability for heavier riders and higher loads in hot conditions.
MTB • Gravel • Road
View Collection →

📚 Helpful Resources

🛡 Trusted & Community-Driven

Gorilla Brakes is trusted by riders worldwide, with over 13,000 verified positive feedback ratings. We also work closely with race teams and sponsored riders to validate performance in real-world conditions.

❓ Frequently Asked Questions

A: Yes — Semi-Metallic pads offer smoother, quieter braking with reduced vibration, perfect for trail use.

A: Yes — they fit Dominion A4, A4-SRL, and T4 4-piston calipers.

A: These pads are not e-bike rated; for e-MTBs, use Sintered or Enduro Pro compounds.

A: They provide a smoother lever pull with predictable bite, ideal for technical trail riding.

A: Yes — all Gorilla Brakes pads are REACH-compliant and accepted via our Brake Pad Recycling Program.

  • 5 stars: 6 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
Some of the reviews shown are from related products the merchant grouped with this one.
n
nik

Tried a pair and bought some more

Thanks for the great review

n
nik young

Over heat on long desents but come back very quickly. Last 2 races and 2 practices across 4 days. i will buy again

Hi Nik,

Thank you for the feedback, we really appreciate it.

That is a fair review. Our Semi-Metallic compound is not designed as our full race compound it is more of a reliable all-round trail/e-bike pad with good bite, control and value. On long race descents, especially over repeated practice and race runs, they can reach their heat limit, which is why you felt them overheat but then come back quickly once cooled.

For the type of riding you are doing, especially long descents and racing, you would be better suited to our Factory Racing or Enduro Pro line-up, as those compounds are built for higher heat, stronger fade resistance and more demanding downhill use.

That said, two races and two practice days over four days is still a solid result from the Semi-Metallic pads, and we’re glad to hear you would buy again.

Kind regards,
Lee
Gorilla Brakes

A
Ashley Fisher

Great pads, very responsive, great feel. Had these on a emtb a couple years ago. Now have them on my Atherton

Hi there,

Thank you for your review! We're so glad to hear that our HAYES Dominion / A4 / T4 – Enduro Pro Ultimate Disc Brake Pads are working well for you. It's great to know that they provide a responsive and smooth feel. We appreciate your continued support and hope they continue to serve you well on your Atherton. Happy riding!
- The Gorilla Brakes Team

T
Thomas Hoult

Bedded in immediately

Hi there! Thank you for leaving a review for our Dominion / A4 / T4 – Factory Racing Organic Disc Brake Pads. We are thrilled to hear that they bedded in immediately for you. That's what we strive for - top quality products that perform well right from the start. Happy riding! - The Gorilla Brakes team

A
Adrian Robb

Top quality

Thank you for your feedback! We are glad to hear that you are satisfied with the quality of our HAYES Dominion A4 semi-metallic disc brake pads. We strive to provide excellent products for our customers. If you have any further questions or concerns, please don't hesitate to reach out to us. Happy riding!

O
Octavian Simion-Bodnaras

Super,thank you

Thank you for your kind words!