Description
Bottom bracket CeramicSpeed t47/68 Sram dub coated 47x68 29 mm"
SRAM DUB coated 47X68 for 29mm bottom bracket For T47/68 frames diameter 47, 68mm crank width For 29mm axles 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, avoid wear. Metallic layer 75% harder than hardened steel. Applied very thinly and evenly over the entire inner and outer surface
