Description
Bottom bracket BB30 Shimano coated BB30 42X68 for Shimano, FSA, Rotor 24mm black For BB30 frames 68mm box width, 42mm diameter CS bearings last 3 times longer than other bearings. Ceramic balls 100% smoother and 15% harder than the ceramic competition. Average drag reduction of 75% compared to most BB's Coated products: increases bearing ring hardness, prevents wear. Metallic layer 75% harder than hardened steel. Applied very thinly and evenly over the entire inner and outer surface Contents: 1 BB with bearings installed / 1 protective cover installed / 1 syringe of 10ml All Round grease / 1 sticker