These Enve brake pads are OE factory replacement pads included with Enve road wheels. They are specifically designed for optimal braking on an Enve carbon rim. They feature a compound created for low heat buildup and a smooth, linear brake feel. Enve brake pads are intended for carbon rims but will work on aluminum too. Includes one pair so order two pair for one bike. Select Shimano/SRAM or Campagnolo/Zero gravity.