Shimano BB-ES300 68x121mm Hollow-Type Bottom Bracket
$25.99
The Shimano ES300 bottom bracket is made to be used in conjunction with Shimano Octalink chainsets. The Octalink splined axle/crank arm interface creates a more rigid crank assembly compared to square tapered spindle.
. Axle length / shell width_121_68mm_(BC1.37)
. Spindle: Hollow pipe
. Spindle: Octalink
Features
. Smooth and precise shifting performance with Hyperdrive technology
. Quiet shifting operation by reduction of driving noise (48T)
. Chain case compatible
. ALIVIO logo (T4060), SHIMANO logo (T4010)
. Better sealing performance (SM-BB52)
. Colour options: Black
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