Overview
Shimano’s BB-UN55 Square Spindle Bottom Brackets are the unofficial standard for English-threaded cartridge bottom brackets.
Features
Fits JIS Square-Taper Cranksets
Hollow spindle
Specs
73 x 110mm
$54.99
Out of stock
Want to be notified when this product is back in stock?
Shimano’s BB-UN55 Square Spindle Bottom Brackets are the unofficial standard for English-threaded cartridge bottom brackets.
Fits JIS Square-Taper Cranksets
Hollow spindle
73 x 110mm
on orders of $149 or more ***exclusions apply