Compatible with TRP DH-R EVO, Trail EVO, Quadiem, and G-Spec series 4-piston calipers — designed for riders seeking balanced braking power, smooth modulation, and quiet performance across all terrain.
Gorilla Brakes Semi-Metallic Pads blend organic resins with metallic fibres to create a versatile, quiet compound ideal for aggressive trail and e-MTB use. These pads offer excellent power with low noise and rotor-friendly performance. Fully REACH-compliant. Not recommended for e-bikes under heavy-duty use.
✅ Compatibility Chart
Brake Caliper
Model
Slate T4 / Trail EVO
HD-M805, HD-M805N
E-Zurich
HD-E810
Zurich
HD-M811
G-Spec Slate
HD-M820
Quadiem
HD-M830, Quadiem SL
G-Spec Quadiem
HD-M840
G-Spec Series
G-Spec DH, Trail SL, Trail SLC, E-MTB
Pad Shape Compatible
Q20.11, P-Q12RS, Q10TS (Q10.TS)
🔥 Compound Type: Semi-Metallic (Standard Range)
The Semi-Metallic Compound provides strong bite with quiet modulation, combining the benefits of metallic durability and organic smoothness. Perfect for trail riders and all-round mountain biking where braking precision is key.
Feature
Performance Benefit
Balanced resin-metal mix
Excellent modulation and power control
Low rotor wear
Protects discs during prolonged use
Quiet operation
Reduced noise even under pressure
All-weather consistency
Reliable braking in dry or wet conditions
OEM precision fit
Exact match for Q20.11 / Q10TS pad shapes
📦 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 riding
Riders prioritising quiet braking and smooth control
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.
Didn't make a huge difference compared to Shimano H03A. Better bite but no change on the braking power (not yet tested on harsh conditions/long downhill