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Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket

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$23.39 - $24.69
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Product Details

Shimano UN55 Square Taper English Threaded Bottom Bracket

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

 
  • Part Numbers close open

    Option Barcode Manufacturer's Part Number Store SKU
    73 x 110mm 689228778825 EBBUN55C10 SHI32391438B
    73 x 118mm 689228778733 EBBUN55C18 SHI32513866B
    73 x 122.5mm 689228778863 EBBUN55C22 BBS29285196D
    68 x 110mm 689228778887 EBBUN55B10 BBS23704646M
    68 x 113mm 689228778757 EBBUN55B13 SHI32451089B
    68 x 118mm 689228778795 EBBUN55B18 BBS23102548M
    68 x 122.5mm 689228778870 EBBUN55B22 SHI32148117B
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