BB-ES300 BSA Bottom Bracket - 68mm x 118

The Shimano BB-ES300 BSA Bottom Bracket is a great choice for your bike. It features an Octalink V2 design, which fits Shimano Octalink V2 spline cranksets perfectly. Note that the crankarm fixing bolts are not included. This bottom bracket has an English BB/Frame Interface, a 68mm BB shell width, a Shimano Octalink V2 spindle interface type, and a 4.645-inch spindle length.

Using this Shimano BB-ES300 bottom bracket is easy. First, make sure your bike frame has the right BB shell width of 68mm and an English interface. Then, install the bottom bracket into the frame. When attaching the Shimano Octalink V2 spline cranksets, remember you'll need to use your own crankarm fixing bolts. As for maintenance, keep it clean and dry. Regularly check for any signs of wear and tear. If you notice any issues, it's best to replace the bottom bracket to keep your bike running smoothly.