The 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, aluminium construction across the shell for maximum surface area load distribution and grip.

• Accepts English threaded bottom bracket cups (1.37 X 24 tpi)

• Classic, full-body design made from aluminum

• Fits BB shells from 53.8 - 54mm I.D. without shim

• Standard width (68mm)

• 215g