M-WAVE thread bottom bracket/107.5/20.5 mm

This CrMo hollow axel is coated in Dacromet providing 4-way corroion protection. It has aluminum cups and BSA threading. The inner bearing is JIS-square. The size for this model is 107.5/20.5 mm. JIS-square inner bearing BSA thread Aluminum Cups CrMo hollow axle 107.5/20.5 mm