Problem Solvers Bushnell Eccentric Bottom Bracket - Classic Fat 100mm x 54mm Silver MFPN=CHA154 The MK-17 equips you to

The MK-17 equips you to service just about any component on any bike that may roll your way from basic adjustments to in-depth frame machining

so installation is a fairly involved process and will permanently modify the boot

rails CrMo top synthetic color rawhide LxW (mm) 243x136 weight 270g

Ultra-short stack height and true zero degree rise

adaptable flip-chip geometry and clearance for tires up to 53 mm

Problem Solvers Bushnell Eccentric Bottom Bracket - Classic Fat 100mm x 54mm Silver MFPN=CHA154 The MK-17 equips you toThe 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 classic version features full body aluminum construction across the shell for maximum surface area friction and additional value. Accepts English threaded bottom bracket cups (1. 37 X 24 tpi) Classic full body design made from aluminum Fits BB