SHIMANO BB-ES300 OCTALINK BSA BOTTOM BRACKET 73mm Size:121mm Dropper post compatible (with adaptor)

Dropper post compatible (with adaptor)

2 x Kryptonite Key

Anti-fading: Average (4 of 5)

RSL-level OCLV Carbon is lighter and stronger

SHIMANO BB-ES300 OCTALINK BSA BOTTOM BRACKET 73mm Size:121mm Dropper post compatible (with adaptor)The SHIMANO BB ES300 is a premium bottom bracket engineered for Octalink cranksets on BSA threaded frames (73mm). Its 8 splined interface delivers superior strength and rigidity compared to conventional square taper spindles, optimizing power transfer and overall assembly performance. The 22mm hollow chrome moly spindle balances lightweight construction with exceptional durability. Featuring a sealed cartridge design with oversize ball bearings and