Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Shimano BB-UN300 Bottom Bracket - English, 68 x 110mm Spindle, Square Taper JISShimano BB UN300 Square Spindle Bottom Brackets Fits JIS square taper cranksets Crankarm fixing bolts sold separately Hollow spindle
Shimano BB-UN300 Square Spindle Bottom Brackets
- Fits JIS square-taper cranksets
- Crankarm fixing bolts sold separately
- Hollow spindle
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
4.6 ★★★★★
Based on 765 reviews
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Product Reviews
★★★★★ 5
very nice product
Style: Two Pieces
It fits perfectly. Easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 15, 2026
★★★★★ 5
Good Product and Price.
Style: One Piece
Great filter, fits perfectly. Very close to OEM fit. I have 2015 Mercedes E350, fit perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 3, 2025
★★★★★ 5
Great plug
Style: Single
My car goes through these every 30,000 miles or so. But fantastic plug all around. Performs flawlessly even at almost 9000 rpm.
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Reviewed in the United States on September 11, 2015
★★★★★ 5
Product as described, Works great.
Style: Single
Product as described, Works great.
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Reviewed in the United States on August 27, 2015
★★★★★ 5
Five Stars
Style: Single
Fit is good. Performance is great
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Reviewed in the United States on April 26, 2016