• Gorilla Brakes semi-metallic pads for Hope E4 Tech 3 & Tech 4 brakes
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HOPE E4 / RX4+ – Semi-Metallic Disc Brake Pads | Gorilla Brakes

HOPE E4 / RX4+ – Semi-Metallic Disc Brake Pads | Gorilla Brakes

£9.99 GBP
£9.99 GBP
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🔄 60-Day Hassle-Free Returns
Return unused items within 60 days for a refund

Compatible with HOPE E4 calipers (Tech 3 & Tech 4) and RX4+ hydraulic disc brakes — designed for riders seeking quiet braking, smooth modulation, and consistent performance across all conditions.

Gorilla Brakes Semi-Metallic Pads blend the durability of metallic pads with the refined feel of organic compounds. They provide balanced power, quiet operation, and reliable performance for Trail, Enduro, and Gravel riding. Fully REACH-compliant. Not recommended for full-power e-bikes.

✅ Compatibility Chart

Caliper Model System Riding Style
HOPE E4 Tech 3 / Tech 4 Enduro, Trail, All-Mountain
HOPE RX4+ Shimano / SRAM versions Gravel, Cyclocross, Road

🔥 Compound Type: Semi-Metallic (Standard Range)

The Semi-Metallic Compound offers excellent modulation and reduced noise while maintaining strong stopping power. It’s the ideal all-round pad for riders who value smooth, predictable braking over maximum aggressiveness.

Feature Performance Benefit
Hybrid metallic-organic blend Balanced bite and quiet braking
Stable friction curve Consistent feel in wet or dry conditions
Low rotor wear Extends rotor life and reduces vibration
Quick bedding-in Fast performance setup after install
OEM precision fit Exact match for HOPE E4 / RX4+ calipers

📦 What’s Included

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

🌍 Ideal For

  • Trail and Enduro riders wanting quieter braking
  • Gravel and road riders seeking smooth, consistent control
  • Mixed terrain and variable weather conditions
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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: They’re best for standard bikes or light e-assist — for high-power e-MTBs, use Sintered or Enduro Pro compounds.

A: Yes — they’re noticeably quieter with smoother feel and modulation.

A: Yes — they offer excellent control, low noise, and gentle rotor wear.

A: Yes — they maintain reliable braking across mixed conditions.

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