Problem Solvers Bushnell Eccentric Lightweight Bottom Bracket - 68mm x 54mm BLK Torque Tools SHIMANO Equivalent BL-R400

SHIMANO Equivalent BL-R400

Rear Axle Type 12mm Thru-axle Rear Hub Spacing (mm) 148 Cassette Body Type Shimano Micro Spline Material Steel keyword search flash

A7075 largest sprocket

Comes complete with SKF bearings and all hardware

especially when descending

Problem Solvers Bushnell Eccentric Lightweight Bottom Bracket - 68mm x 54mm BLK Torque Tools SHIMANO Equivalent BL-R400The Problem Solvers Bushnell Eccentric Bottom Bracket is the industry leading design for chain tension adjustment on tandem and dedicated single speed bikes equipped with eccentric bottom bracket shells. The lightweight version features additional machining and drilling of the alloy body to reduce weight. Accepts English threaded bottom bracket cups (1. 37 X 24 tpi) Lightweight cut out body design made from aluminum Fits BB shells from 53. 8 54mm I.