ES300 68 x 113mm Octalink V2 Spline English Bottom Bracket

This is a Shimano ES300 bottom bracket with a 68x113mm size and Octalink V2 spline. It's an English - type bottom bracket that fits Shimano Octalink V2 Spline Cranksets. Note that crankarm fixing bolts are not included. Technical specs: The bottom bracket shell inner diameter is 1.37, it has an English BB/Frame Interface, the BB shell width is 68mm, it weighs 270g, the spindle interface type is Shimano Octalink V2, the spindle length is 113mm, and it comes in a gray color.

Using this Shimano ES300 bottom bracket is quite straightforward. First, make sure your bike has a compatible Shimano Octalink V2 Spline crankset. Install the bottom bracket into the bike frame carefully according to the size specifications (68mm shell width and 113mm spindle length). Remember, you'll need to use your own crankarm fixing bolts as they're not included. When it comes to maintenance, keep it clean. Wipe off dirt and grime regularly, especially after riding in wet or muddy conditions. Check for any signs of wear and tear periodically. If you notice unusual noises or difficulty in rotation, it might be time to inspect it more closely. Also, store it in a dry place to prevent rusting and extend its lifespan.