UN55 Square Taper English Threaded Bottom Bracket

68MM/113MM

$42.99

Shimano's BB-UN55 Square Spindle Bottom Brackets are the unofficial standard for English-threaded cartridge bottom brackets. Quality, value, and durability come together to keep you cranking for many, many miles.

- Fits JIS Square-Taper Cranksets
- Hollow spindle
- Crankarm fixing bolts not included

Sold out

SHIMANO

UN55 Square Taper English Threaded Bottom Bracket

$42.99

PRICE GUARANTEE

The best price on the market, promised.

FREE SHIPPING

Free delivery on all orders over $99.

Buy Now, Pay Later

Shop now and pay over time with Affirm.

easy returns

Hassle-free returns within 30 days of purchase.

Shimano's BB-UN55 Square Spindle Bottom Brackets are the unofficial standard for English-threaded cartridge bottom brackets. Quality, value, and durability come together to keep you cranking for many, many miles.

- Fits JIS Square-Taper Cranksets
- Hollow spindle
- Crankarm fixing bolts not included

We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.

Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.