Product Description Freehub body for Neo Ultimate Speedsync hubs by NoTubes. Specifications:Application:Cyclocross, Gravel, RoadFreehub Body Type:6 pawlsFreehub Body Material:aluminiumBearings:deep groove ball bearingsModels:Shimano: Freehub:Shimano RoadGearing:8-/9-/10-/11-/12-speedCompatibility:Neo Ultimate Speedsync, Avion Pro, Avion R Pro, Podium SRD, Grail Pro CB7Manufacturer Number:ZH1646Conversion Options:To convert to Shimano Micro Spline, a Micro Spline freehub body is required. Shimano Micro Spline: Freehub:Shimano Micro SplineGearing:12-speedCompatibility:Neo Ultimate Speedsync, Avion Pro, Avion R Pro, Podium SRD, Grail Pro CB7Manufacturer Number:ZH2172 SRAM XD: Freehub:SRAM XDGearing:11-/12-speedCompatibility:Neo Ultimate Speedsync, Avion Pro, Avion R Pro, Podium SRD, Grail Pro CB7Manufacturer Number:ZH1647 SRAM XDR: Freehub:SRAM XDRGearing:11-/12-speedNote:A 1.8 mm spacer is required to mount XD cassettes on an XDR freehubs (included).Compatibility:Neo Ultimate Speedsync, Avion Pro, Avion R Pro, Podium SRD, Grail Pro CB7Manufacturer Number:ZH2081Contents:1 x NoTubes freehub body Manufacturer: Stan's NoTubes 202 Daniel Zenker Dr Big Flats NY 14814 USA info@notubes.com Distributor: Hermann Hartje KG Deichstraße 120-122 27318 Hoya Germany info@hartje.de