700c clincher light Rear racing wheel. 24 hole rear two crossed laced aerodynamic 34mm deep profile rim with an American Classic RD205 205 gram rear hub. Bladed spokes and alloy nipples. Chromoly quick release skewer included. Campagnolo 9 and 10 speed or Shimano 8 9 and 10 speed compatible. Rear wheel 810 grams.