SHIMANO Brake Lever and Caliper Integrated barrel reservoir design with split clamp is compact, light weight and easy to work on 13mm wide two finger brake lever with ergo pivot offers efficient input, smooth operation and features anti-slip dimples on surface One piece caliper is incredibly rigid and has lightweight aluminum banjo for universal fit One-way bleeding and improved oil routing through the caliper results in higher integrity and quicker bleeds Over-sized full ceramic piston is light weight, rigid and insulates the system for heat