The Shimano BB-UN300 bottom bracket connects to Square Taper cranksets and is designed for frames with English BSA threading. It features sealed bearings, which help reduce friction and transfer power efficiently. Suitable for mountain, trekking, city and road bikes.
- Type: Bottom bracket
- Crank interface: Square Taper
- Threading: BSA (BC 1.37 x 24T)
- Shell width: 73 mm
- Spindle length: 118 mm
- Bearings: Sealed
- Use: Mountain, trekking, city and road bikes
- Bicycle components: Drivetrain
- Product Number
- EBBUN300C18X
- Type
- Medium Friction
- Bicycle Parts
- For the Gears
- Type
- Mountain Bike, Trekking, City, 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.