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Coral Gables 220 Aragon Ave
Doral 8351 NW 36th St
Miami 18725 W Dixie Hwy

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Doral · Coral Gables · N. Miami Beach

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Shimano BB-UN55 cartridge bottom bracket with threaded silver housing and black spindle ends
SKU: 689228778825
Barcode: 689228778825

CARTRIDGE BOTTOM BRACKET SET BB-UN55 NON-SPLINED TYPE AXLE

$24.99

Shipping calculated at checkout.
In Stock

Estimated delivery between August 27 and August 29.

This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!

See more by No Sale Products
CARTRIDGE BOTTOM BRACKET SET BB-UN55 NON-SPLINED TYPE AXLE

$24.99

$24.99

Description

Shimano UN55 Square Taper English Threaded Bottom Bracket

The Shimano UN55 is a durable and reliable choice for cyclists seeking a high-quality bottom bracket. Designed to fit JIS square-taper cranksets, this bottom bracket ensures a secure connection between your bike's crankset and the frame. Its hollow spindle construction offers a balance of strength and weight savings, making it an excellent choice for long-distance rides.

  • Compatible with JIS square-taper cranksets
  • Features a robust hollow spindle
  • Crankarm fixing bolts not included

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Frequently Asked Questions

Do you offer free shipping?

Yes — free shipping on orders over $100 on gear, apparel and shoes. Heavy or oversized items over 10 lbs are excluded. See the full shipping policy.

Can I pick up my order at a store?

Yes, and it is free. Choose in-store pickup at checkout and collect at Doral, Coral Gables or North Miami Beach — we will email you as soon as your order is ready. See addresses and hours.

When will my order arrive?

The estimated delivery window is shown on this page above the Add to cart button and again at checkout, based on the item and your address. You will get a tracking email as soon as it ships.

Are your bikes assembled and ready to ride?

Yes. Every bike is pre-assembled, tuned and safety-checked by our mechanics before it leaves the shop, so it is ready to ride when you get it. More about our shop services.

What if it does not fit?

You have 30 days to return unused items in their original packaging. Read the return policy.

Can someone help me choose the right size or model?

That is what our stores are for. Come see us in Doral, Coral Gables or North Miami Beach, book a Retul bike fit, or send us a message and a real person will answer.