DT SWISS XDR FREEHUB BODY FOR 3-PAWL HUBFOR XDR INTERFACESThe XDR interface is 1. 85mm longer than XD and is designed for road hub applications. The XDR driver bodies are compatible with all XD cassettes when the cassette is installed with a 1. 85mm spacer. The DT Swiss XDR Freehub Body For 3-Pawl Hub is for repair or replacement and works with SRAM XDR cassettes. They are compatible with either QR x 130mm or 12 x 148/142mm rear wheels and comes with an end cap. Features Compatible with either QR x 130mm or 12 x 142/148mm hubs Works with SRAM XDR cassettes and XD cassettes End cap included | Dt Swiss | Sram Xdr Freehub Body For 3-Pawl Hub 3-Pawl Hubs, Qr X 130Mm, End Cap Included