Shimano BB-UN300 Square Type Bottom Bracket 68x110mm

Experience the outstanding quality and performance of this Shimano Tourney TX800 series square bottom bracket. It features cartridge bearings and is designed to fit 68mm bottom bracket shells with an axle length of 110mm, delivering a smooth and reliable cycling experience.

Using this Shimano bottom bracket is easy. First, make sure your bike has a 68mm bottom bracket shell. Then, carefully install the bottom bracket into the shell. When you're done, check that it fits snugly. As for maintenance, keep it clean. After riding in dirty or wet conditions, wipe it down with a dry cloth. Also, regularly check the bearings for any signs of wear. If you notice any unusual noise or roughness, it might be time to replace the bearings. When handling the bottom bracket, be gentle to avoid damaging the parts.