- Increased lever hook for greater control and security during aggressive riding
- New dimple design improves comfort during hard braking and retains grip in all weather conditions
- New cam design decreases the free lever stroke while maintaining the feel and modulation in the braking zone
- Roller bearing main pivot
- 2 guide bushes keep the piston running perfectly smooth and straight
- Bleed port added to the master cylinder body enables bleeding without removing the lid
- One-piece calliper design for the best stiffness to weight ratio
- Larger pistons increase ratio of the brake for more power
- Improved calliper stiffness helps to improve lever feel and increase power
- Larger adjustment range for better compatibility with third party hubs and frame combinations
- New bore cap design decreases overall width of the calliper for easier packaging and better frame compatibility
- GR4’s are not compatible with Vented rotors.
