The Shimano BB-UN300 bottom bracket features a square-taper spindle and sealed cartridge bearings. The chainline stabilizer helps keep it stable.
- Spindle type: Square taper
- Spindle length: 117.5 mm
- Shell width: 68 mm
- Adapter material: Aluminum
- Bike type: Mountain bike, city, trekking
- Bike component: For the gears
- Product Number
- EBBUN300B17X
- Type
- Medium Friction
- Bicycle Parts
- For the Gears
- Type
- Mountain Bike, City, Trekking
- 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.