Hope Tech 4 Evo GR4 Brake

– New cam mechanism designed to decrease the free lever stroke while maintaining feel and modulation in the braking zone
– Piston movement – Additional secondary guide bush to keep the piston running perfectly straight to maintain super smooth piston movement.
– Bleeding – A bleed port has been added to the master cylinder body to allow bleeding without removing the lid.
– One piece machined caliper for reduced weight and increased stiffness
– Four hybrid pistons allow smooth movement and excellent heat management
– The largest pistons for the greatest power
– The larger pistons increase the ratio of the brake by 6% when compared to Tech 4 V4 brake system
– Improved caliper stiffness increases power and control
– Not compatible with vented rotors
– Revised bore cap design reduces width for more frame clearance
– Choose this caliper for ultimate power in the most demanding applications