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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 - $29.99
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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
    68 x 107mm 689228778801 EBBUN55B07 21152
    70 x 113mm 689228778856 EBBUN55I13
    70 x 118mm 689228778849 EBBUN55I18 24812
    70 x 122.5mm 689228778832 EBBUN55I22
    73 x 107mm 689228778726 EBBUN55C07
    73 x 110mm 689228778825 EBBUN55C10 21154
    73 x 113mm 689228778740 EBBUN55C13 21156
    73 x 118mm 689228778733 EBBUN55C18 15024
    73 x 122.5mm 689228778863 EBBUN55C22 15026
    68 x 110mm 689228778887 EBBUN55B10 15034
    68 x 113mm 689228778757 EBBUN55B13 23743
    68 x 115mm 689228778894 EBBUN55B15 24312
    68 x 118mm 689228778795 EBBUN55B18 11732
    68 x 122.5mm 689228778870 EBBUN55B22 12118
    68 x 127mm 689228778764 EBBUN55B27 22282
    70 x 107mm 689228778788 EBBUN55I07
    70 x 110mm 689228778771 EBBUN55I10
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