Bottom bracket t4786 Sram dub coated 47x86/85 Sram dub 29 mm

Bottom bracket T4786 SRAM DUB coated 47X86/85 SRAM DUB 29 mm black For Sram Dub frames 86mm width 47mm diameter 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 cups with bearings installed, 2 protective covers, installation tool, spacer tube, 4 spacers 1mm, 2 spacers 3mm, 1 syringe of All ROund grease 10ml, 1 sticker Hand made in Denmark