Product Description Wahoo freehub body for KICKR18 & Core - be equipped for your indoor training With the freehub body for KICKR18 and Core by Wahoo you can move your training indoors in bad weather and especially in winter. The trainer can be converted to fit SRAM or Campagnolo. So you are always ready for your indoor training. Specifications:Application:trainersFreehub:SRAM XDR, SRAM XD, CampagnoloGearing:11-/12-speed, 10-/11-/12-speedTechnical Information:Freehub Body Material:aluminiumCompatibility:KICKR18KICKR CoreKICKR V4, V5, V6KICKR MOVEModels:SRAM XDR: Freehub:SRAM XD, SRAM XDRGearing:11-/12-speedNote:To install an XD cassette (11-/12-speed MTB) a 1.8 mm spacer is required.Manufacturer Number:WFKICKRXDR Campagnolo: Freehub:CampagnoloGearing:10-/11-/12-speedNote:Campagnolo 10-speed cassettes must be equipped with a 4-groove mount, cassettes with an 8-groove mount are not suitable.Manufacturer Number:WFKICKRCACM2v2Contents:1 x Wahoo freehub body1 x spacer (SRAM XDR only)1 x counter nut Manufacturer: Wahoo Fitness 90 W Wieuca Rd NE Suite 110 Atlanta GA 30342 USA support@wahoofitness.com Distributor: bc GmbH Carlo-Schmid-Straße 12 52146 Würselen Germany info@bike-components.de