**CPS70 (FH-BUU015)** Original Campagnolo freehub body, for Campagnolo cassettes.**Compatible with the following:*** Campagnolo 9/10/11/12 speed cassettes* Campagnolo wheels with 17mm axles, post 2008 to current* Bora WTO 60 / 45 / Bora Ultra 50 / 35 / TT / Bora One 50 / 35 / Bora One 50 Disc / 35 Disc* Shamal Mille / Shamal Ultra C17 / Shamal Ultra Disc / Shamal C15* Zonda C17* Scirocco* Khamsin C17 / Khamsin Asymmetric G3**FEATURES*** Original Campagnolo Spare part* Designed for Campagnolo Cassettes (Shimano compatible version also available)* For 17mm axles**CPS71 (FH-BU015)** Original Campagnolo freehub body, for Campagnolo cassettes.Compatible with the following:* Campagnolo 9/10/11/12 speed cassettes* Campagnolo wheels with 12mm axles* Pre 2014 Vento / Scirocco / Khamsin / Bullet* Calima**FEATURES*** Original Campagnolo Spare part* Designed for Shimano Cassettes (Campagnolo compatible version also available)* For 12mm axles**FH-BUU015X1** Original Campagnolo freehub body, for Shimano cassettes.**Compatible with the following:*** Shimano 10/11 speed cassettes* Campagnolo wheels with 17mm axles, post 2008 to current* Bora Ultra TT* Scirocco* Khamsin Asymmetric G3**FEATURES:*** Original Campagnolo Spare part* Designed for Shimano Cassettes (Campagnolo compatible version also available)* For 17mm axles**FH-BO015X1** Original Campagnolo freehub body, for Shimano cassettes.**Compatible with the following:*** Shimano 10/11 speed cassettes* Campagnolo wheels with 17mm axles* Bora WTO 60 /45 / Bora Ultra 50 / 35 / Bora One 50 Disc / 35 Disc / Bora One 50 /35* Shamal Mille / Shamal Ultra Disc / Shamal Ultra C17* Scirocco Disc* Zonda Disc / Zonda C17**FEATURES*** Original Campagnolo Spare part* Designed for Shimano Cassettes (Campagnolo compatible version also available)* For 17mm axles* White Alloy Body**FH-BU015X1** Original Campagnolo freehub body, for Shimano cassettes.**Compatible with the following:*** Shimano 10/11 speed cassettes* Campagnolo wheels with 12mm axles* Pre 2014 Vento / Scirocco / Khamsin / Bullet* Calima**FEATURES*** Original Campagnolo Spare part* Designed for Shimano Cassettes (Campagnolo compatible version also available)* For 12mm axles**FH-N3WA33** N3W 13x Freehub BodyPlease note, for the N3W 13x Freehub body to work with 9/10/11/12x you will also need to purchase the lockring and spacer (AC21-N3W)**Please check your fitment at www.campagnolo.com/WW/en/Support/support#documentation**