The Shimano BB-UN300 bottom bracket fits frames with English-threaded BSA shells and has a Square Taper spindle for compatible cranksets. The sealed bearings help ensure stability, low friction and efficient power transfer. Suitable for mountain, city, trekking and road bikes.
- Type: Bottom bracket
- Series: TOURNEY TX800
- Spindle type: Square Taper
- Thread type: BSA, English thread (BC 1.37 x 24T)
- Bottom bracket shell width: 73 mm
- Bearings: Sealed
- Bike types: Mountain, city, trekking and road
- Product Number
- EBBUN300C23X
- Type
- Medium Friction
- Bicycle Parts
- For the Gears
- Type
- Mountain Bike, City, Trekking, Road
- Wheel Size
- -
Important information
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.