Explore the Lezyne CNC machined alloy bottom bracket tool sized at 39mm with 16 splines. It's a top - notch shop - quality tool crafted from durable forged and heat - treated steel, offering long - lasting performance for your bottom bracket maintenance needs.

Using this bottom bracket tool is easy. First, make sure your bike is stable. Then, fit the 39mm 16 - spline end of the tool onto the bottom bracket. Rotate it clockwise or counter - clockwise as needed to loosen or tighten the bracket. When using, don't apply excessive force suddenly to avoid damaging the tool or the bracket. After each use, clean the tool with a dry cloth to remove any dirt or debris. Store it in a dry place to prevent rusting. Periodically check for any signs of wear and tear, and if you notice any issues, consider getting it replaced.