Shimano BB-UN55 Square Taper ITA Thread BB

By Shimano
SKU: EBBUN55I15
$40.99
BB Shell
Axle Length
Description
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
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