The Shimano UN300 square taper bottom bracket is built for smooth, dependable performance across a wide range of bikes. Suitable for touring, city, road, and older MTB setups using traditional square taper chainsets.
An ideal replacement bottom bracket for riders looking for reliable Shimano quality and smooth everyday performance.
Aluminium |
This contact is responsible for product safety compliance. For help with an order or return, please contact customer service
Shimano
Shimano SHIMANO
3-77 Oimatsu-cho, Sakai-ku, Sakai City Osaka 590-8577, Japan
info@shimano.com
Aluminium |
This contact is responsible for product safety compliance. For help with an order or return, please contact customer service
Shimano
Shimano SHIMANO
3-77 Oimatsu-cho, Sakai-ku, Sakai City Osaka 590-8577, Japan
info@shimano.com
Square bottom bracket Shimano BB-Un300 68mm 113mm
Square bottom bracket Shimano BB-Un300 68mm 113mm