Seido

T47 Pro T47 Pro External bottom bracket. 30mm spindle size . 68mm BB shell. Adaptable to 29, 24 and 24/22mm with Seido adapters. Weight : 129g. Item Specifications: BB/Frame Interface, T47, BB Shell Width (mm), 85.5/86.5mm, Crank Spindle Diameter, 30mm, Defined Color, Black, SHIPS TODAY! Order before 1:30PM EST, M - F, and this item ships the same day! HAVE A QUESTION?Expert customer service by bike experts! A Real Brick And Mortar Retail Bicycle Shop with people you can talk to! Contact Us! (9-5 Mon-Fri, 12-4 Sat & Sun EST) Chat With Us