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Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
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Description
Shimano BB-UN55 Bottom BracketShimanos BB UN55 bottom bracket carries the Shimano mark of a quality component. Its a sealed cartridge unit featuring English thread and a JIS Square Taper axle. For convenience, the BB UN55 comes assembled and greased, all ready for installation. SPECIFICATIONS Weight 313 gram Thread English thread Compatibility JIS Square Taper (shimano, sugino, truvativ, and most other cranks)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.3 ★★★★★
Based on 707 reviews
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Product Reviews
★★★★★ 5
Excellent value for the money
Style: 360 Count
Good quality durability just what I needed. I will be ordering again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
★★★★★ 5
A+
Style: 360 Count
Nice and strong.
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Reviewed in the United States on April 17, 2026
★★★★★ 5
Great product
Style: 360 Count
Great product
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Reviewed in the United States on May 23, 2026
★★★★★ 4
Worth it
Style: 360 Count
Great buy
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Leelee
Style: 360 Count
Like price and heaviness good quality
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Reviewed in the United States on April 19, 2026
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