Enve Rear Hub Endcap Description: Designed as a replacement or to convert ENVE Hubs to a new axle type or different frame spacing. Note: Non-drive side end cap will need to be purchase separately Features: Compatible with SRAM XDR or Campagnolo Freehub For quick release only Intended for drive side use Compatibiliy: ENVE Alloy Disc Brake Rear Hub ENVE Alloy Rim Brake Rear Hub ENVE Carbon Rim Brake Hub