Wolf Tooth Bottom Bracket - T47 Inboard 85.5/92mm For 29mm Spindle Raw Silver Penumbra Coulomb Series 8 Saddle Rossignol X-IUM Premium+ Skating SX

Rossignol X-IUM Premium+ Skating SX Ski

Unidirectional carbon fiber finish

Offers a quieter riding experience

25mm wide hookless UST rims for a smooth ride with a wide range of tires from 30mm-64mm

25" Tubeless Folding Black Evolution Line Addix SpeedGrip Super Ground

Wolf Tooth Bottom Bracket - T47 Inboard 85.5/92mm For 29mm Spindle Raw Silver Penumbra Coulomb Series 8 Saddle Rossignol X-IUM Premium+ Skating SXWolf Tooth T47 Internal bottom Brackets are engineered to be smooth durable lightweight fast and user serviceable. Their ground up design features custom bearings seals bushings and cups which eliminate creaking and balance best in class weather sealing with optimized bearing radial compression alignment and preload for low drag. The Wolf Tooth Bottom Bracket bearings feature custom designed balls and races that are made from a hardened chrome bearing