Key Features:New cam mechanism designed to decrease the free lever stroke while maintaining feel and modulation in the braking zonePiston movementAdditional secondary guide bush to keep the piston running perfectly straight to maintain super smooth piston movement.BleedingA 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 stiffnessTwo lightweight phenolic pistons to help maintain performance at high temperaturesLarger pistons for the increased powerPostmount and flat mount optionsChoose this caliper for light weight with excellent modulation and braking control