Description

Lighter front shifting

rounder and more effective profile

5mm Length

ALUMINUM REINFORCED ENDS - Provide extra durability against grip blowout

Shimano UN55 English SQUARE-JIS 73x113mm Bottom Bracket sale Lighter front shifting25% more durable than UN54 with alloy left hand cup Traditional square JIS 2 degree taper crank arm interface Offered in either English (BC1. 37 x 24tpi RH LH) or Italian (M36 x 24tpi RH RH) threads

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

Shimano UN55 English SQUARE-JIS 73x113mm Bottom Bracket sale Lighter front shifting

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