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
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.
Used Gorilla brakes for a while now, always had great service, even contacted me on one occasion when I ordered different pads than I usually use by mistake, checked the order and advised me to switch pad type. Excellent delivery times and great pricing. Highly recommended.
Hi Sean, thank you so much for your kind words! We're thrilled to hear you're happy with our service and products. Feel free to reach out anytime. Happy riding!
