Wahoo KICKR18 and CORE XD/XDR Freehub Body Description-15x100mm End Cap 75% wear (or "stretch") the

75% wear (or "stretch") the points at which most chain manufacturers suggest replacement

Bladder included Not included Color Silver Primary Color Grey Max Bladder Volume 3L Volume 30L Volume Range 26-30L

8L Waterproof Yes Primary Color Blue Volume Range 0-5L Color Steel

Bearing top cap outer diameter: 45

Available in brass as well as gram-saving alloy in 34mm and 46mm valve lengthsTCS Valve has a tapered design for optimal fit on a wide variety of rims

Wahoo KICKR18 and CORE XD/XDR Freehub Body Description-15x100mm End Cap 75% wear (or "stretch") theKICKR XDR and XD Freehub body allows you to use your KICKR with SRAM cassettes. Compatibility: KICKR 18, v5, and KICKR CORE Includes a 1. 8mm spacer for XD compatibility