Description
bottom bracket BB90 coated Trek SRAM GXP 37X90.5 24 / 22,2mm For BB90 frames 90,5mm box width, 37mm diameter For SRAM GXP/24/22mm CS bearings last 3 times longer than other bearings. Ceramic balls are 100% smoother and 15% harder than the ceramic competition. Average drag reduction of 75% compared to most BB's Coated products: increase bearing ring hardness, prevent wear. Metallic layer 75% harder than hardened steel. Applied very thinly and evenly over the entire inner and outer surface Contents: 2 bearings / 2 protective covers / GXP corrugated washer / plastic cable protector / 1 syringe of All Round grease 10ml / 1 sticker