Bottom bracket bb92 Sram dub coated 41x92 29 mm

BB92 SRAM DUB coated 41X92 MTB bottom bracket for 29mm black Friction gain 0.3-04, watts. 100% smoother and 15% harder balls than the ceramic competition. Average drag reduction of 75% compared to most BB's Coated products: coating increases bearing ring life, prevents wear. Metallic layer 75% harder than hardened steel. Applied very thinly and evenly over the entire inner and outer surface Box contents: 2 bearings, 2 protective covers, plastic sheet, 1 spacer 3mm, 2 spacers 1mm, 1 syringe of All Round grease 10ml, sticker Hand made in Denmark