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BB-UN55
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
- Fits JIS Square-Taper Cranksets
- Hollow spindle
- Crankarm fixing bolts not included
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
- Fits JIS Square-Taper Cranksets
- Hollow spindle
- Crankarm fixing bolts not included
Select Interface
Select Shell Width
Select Axle Width
From $39.99
BB-UN55—
$39.99
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
- Fits JIS Square-Taper Cranksets
- Hollow spindle
- Crankarm fixing bolts not included
