PF4130 coated BB86 41X86.5 road bottom bracket for Ø30mm length For BB86 frames box width 86.5, diameter 41 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 whole inner and outer surface 2 cups with bearings installed / 1 spacers 1mm / 2 spacers 0,5mm / 2 protective caps / 1 seal in 0 / 1 plastic cable protector / 1 syringe of All Round grease 10ml / 1 sticker
