Shimano Dura-Ace Track Cartridge Bottom Bracket

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Description

Shimano's Dura-Ace Track Bottom Bracket features smooth-spinning, low-drag bearings for maximum power on the track. The Octalink spindle provides a stiff, high-efficiency platform for your next effort at the Hour Record.

Features & Info

Spindle length: 109.5mm
Shell width: 68/70mm