Shimano UN300 English Bottom Bracket 73 x 113mm

The Shimano BB - UN300 cartridge bearing bottom bracket is quality and performance - focused. It has a JIS square taper mount and is made for frames with BSA thread and a 73 mm shell width. A stabilizer helps keep a steady chain line.

Using your Shimano UN300 bottom bracket is easy. First, make sure your bike frame has a BSA thread and a 73 mm shell width. Then, install the bottom bracket with the JIS square taper mount. The stabilizer will help keep the chain line constant, so you'll have a smooth ride. When it comes to maintenance, keep it clean and dry. Wipe it down after each ride to prevent dirt and moisture from building up. Check the chain line regularly to ensure it's stable. If you notice any unusual noises or problems, it might be time to take it to a professional for a check - up.