BB-ES25 Shimano Octalink Bottom Bracket Cassette 121mm 73mm Sealed Cartridge

SHIMANO OCTALINK BB BOTTOM BRACKET BEARING 121mm 73mm CARTRIDGE ES25

• A quality replacement Shimano octalink bottom bracket sealed unit to fit a standard BSA bottom bracket size (1.37 24Tpi)

• High quality maintenance free sealed cartridge

• Designed to only be used with Shimano octalink cranks

• Easy fitting, with no need to adjust bearings

• High strength hollow hardened axle

• Oversize bb spindle-large 22mm diameter hollow cold forged chromoly pipe billet spindle reduces weight, increases strength and rigidity

• Octalink splined axle/crank arm interface - results in more rigid crank assembly compared to square tapered spindle

• Bb-es25

• For 73mm bottom bracket shell with standard thread

• 121mm axle length

• 325 grams approx