SRAM Replacement Red eTap HRD Caliper Post Mount Front/Rear Falcon Gray Weight-50 The ceramic bearings allow the

The ceramic bearings allow the wheels to spin with minimal friction

M5 (Boost - minus 5mm - dished towards the frame) is for 52mm chainline that boost bikes may need

If you are more concerned with weight than durability

Weight: 17 g for set of two

The bottom line is grinding makes your skis faster and easier to wax when done well

SRAM Replacement Red eTap HRD Caliper Post Mount Front/Rear Falcon Gray Weight-50 The ceramic bearings allow theSRAM Replacement Red eTap HRD Caliper Post Mount Front Rear Falcon Gray. Red Disc Brake Caliper AssemblyCompatible with all SRAM road hydraulic brake levers Includes steel backed organic pads TECH SPECS Defined Color Gray Brake Caliper Type Post Mount Brake Lever Actuation Hydraulic Rotor Included No Pad Compound Organic