Shimano BB-UN300 Square Type Bottom Bracket 73x113mm

Experience top - notch quality and performance with this Shimano square bottom bracket from the Tourney TX800 series. It features cartridge bearings for smooth operation. This bottom bracket fits 73mm bottom bracket shells and has an axle length of 113mm, making it a great choice for your bike.

Using this Shimano bottom bracket is easy. First, make sure your bike's bottom bracket shell is 73mm wide. Then, carefully install the bottom bracket into the shell. The 113mm axle should fit properly with your bike's components. When using, avoid over - tightening the bolts as it may damage the bearings. For maintenance, regularly clean the bottom bracket to remove dirt and debris. You can use a mild cleaner and a soft cloth. Also, check the bearings occasionally for any signs of wear. If you notice any unusual noises or rough movement, it might be time to replace the bottom bracket.