Product Description Campagnolo Freehub Body for Shamal Carbon and Bora Ultra WTO - Spare part or conversion option With the freehub body for Campagnolo Shamal Carbon and Bora Ultra WTO wheels, you can maintain your rear wheel or upgrade it to the drivetrain system of your choice. Specifications:Application:RoadFreehub Body Type:3 pawls (Ratchet 36 T)Freehub Body Material:aluminiumBearings:cup & coneCompatibility:Shamal Carbon Disc Center Lock as of 2021 modelBora Ultra WTO as of 2021 modelModels:Campagnolo N3W: Freehub:Campagnolo N3WGearing:11-/12-/13-speedNote:An adapter is required to mount 11-speed/12-speed Campagnolo cassettes on a Campagnolo N3W rotor.Manufacturer Number:FH-N3WA33 Shimano: Freehub:Shimano RoadGearing:8-/9-/10-/11-/12-speedNote:The assembly of 8-/9-/10-speed cassettes on a Shimano Road Rotor requires a 1.85 mm spacer.Manufacturer Number:FH-HGA33 SRAM XDR: Freehub:SRAM XDRGearing:11-/12-speedNote:A 1.8 mm spacer is required to mount XD cassettes on an XDR freehub body.Manufacturer Number:FH-XDRA33Contents:1 x Campagnolo Freewheel Body for Shamal Carbon / Bora Ultra WTO1 x spacer Manufacturer: Campagnolo S.r.l Via della Chimica 4 36100 Vicenza Italy info@campagnolo.com