SHIMANO BB-ES300 OCTALINK BSA BOTTOM BRACKET 73mm no_product_type Nickel chrome plating for quiet

Nickel chrome plating for quiet and durability

Pre-assembled

X-HORIZON straight parallelogram design limits all movement to the horizontal axis

rear: V-Struts

SHIMANO BB-ES300 OCTALINK BSA BOTTOM BRACKET 73mm no_product_type Nickel chrome plating for quietThe 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