Problem Solvers Bushnell Eccentric Lightweight Bottom Bracket - 68mm x 54mm BLK Color-Tangerine 5 / 584 Rim Drilling

5 / 584 Rim Drilling 32 Valve Presta Wheel-Brake Comp

5 in (30 cm x 6

Flat seams prevent chafing

3C - Triple compound designed for grip speed or durability

off-road and indoor activity profiles that are ready to use right out of the box

Problem Solvers Bushnell Eccentric Lightweight Bottom Bracket - 68mm x 54mm BLK Color-Tangerine 5 / 584 Rim DrillingThe 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.