Bones XF-Sidecuts V5 97A Wheels 52mm 141 grippy ride and smooth ride

grippy ride and smooth ride on the roughest of pavement without wheelbite

Soft enough to wipe goggles without scratching or damaging lenses

In-Shell 360° BOA® Fit System integrates a fit dial directly into the helmet and provides for micro adjustments in a complete halo around the wearer's head

and a Dye washed bottom veneer

and a siped tire-like design for increased traction in wet conditions

Bones XF-Sidecuts V5 97A Wheels 52mm 141 grippy ride and smooth rideDiameter: 52mm Durometer: 97a Wheel Width: 30mm Shape: V5 XF Formula About: The amazing new X Formula (XF) is another industry leading innovation from the BONES WHEELS factory. X Formula rolls over rough terrain like softer wheels do, but slides much like a harder wheel will. Speed: X Formula is extremely fast because it has a super high rebound. X Formula rolls much smoother and faster on all terrains because it absorbs vibration and softens impacts