Shimano UN55 English SQUARE-JIS 73x113mm Bottom Bracket Compatio_Enriched Allows for the rear axle

Description

Allows for the rear axle location to be adjusted through a

30% lighter without sacrificing stiffness

Nickel plated finish for corrosion resistance

These allen wrenches also have a convenient ball end for quick turns of a bolt

The RX-810-F also accommodates a 17T front chainring range for wider gearing options

Shimano UN55 English SQUARE-JIS 73x113mm Bottom Bracket Compatio_Enriched Allows for the rear axle25% 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

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