About the Shimano BB-UN55 Sealed Cartridge Unit
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.
Features
High safety factor
Durable
Practical
Small size and lightweight
Corrosion resistant
- Product Code
- 77690064300001500
- SKU
Tech Specs
Materials: Steel
