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Shimano BB-UN300 Bottom Bracket Square Type BSA 73mm 122.5mm D-NL w/Fixing Bolt
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US$9.59 cheaper than the new price!!
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Used US$6.40
Product details
| Management number | 235884397 | Release Date | 2026/07/09 | List Price | US$6.40 | Model Number | 235884397 | ||
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Shimano BB-UN300 Square Spindle 73mm Bottom Brackets make for a lasting replacement for square-tapered cranksets on English threaded bicycle frames.
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Fits JIS square-taper cranksets
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Includes crankarm fixing bolts
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Hollow spindle
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Frame Interface: BSA/English Threaded
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Spindle Interface: Square Taper JIS
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Bottom Bracket Shell ID: 1.37
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Shell Width: 73mm
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Spindle Lengths: 113mm, 118mm, 122.5mm
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