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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

£10.99 GBP
£10.99 GBP
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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
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📚 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.