Hope Tech 4 Evo TR4 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
– Larger pistons for the increased power
– The larger pistons increase the ratio of the brake by 6.5% when compared to Tech 4 E4 brake system
– Revised bore cap design reduces width for more frame clearance
– Larger pad improves lever feel and consistency
– Choose this caliper for power balance with a firm lever feel and excellent braking control