Replacement part for bicycle hubs Conversion kit Rotor steel Shimano, with ball bearings S incl. adapter for 148/TA12mm.Specifications:General:- Cassette interface: Shimano MTB- Freehub technology: Ratchet- Material: Steel- Bearing quality: Standard- Version: Standard- Net weight: 117.000g- Kit / Without endcap: KitBrake & Freehub System:- Free hub body: Shimano Steel (SS)