XTR Hollowtech II M9120-1 Crank Arms

Shimano XTR M9100 crank arms are designed with the advanced Hollowtech II construction, offering both lightness and rigidity. With the direct mount system and one-key release, swapping out chainrings is a breeze.

Using these Shimano XTR M9100 crank arms is straightforward. Just attach them to your bike as per the instructions. When you want to change the chainrings, use the one - key release for a quick and easy swap. As for maintenance, regularly clean the crank arms with a mild soap and water solution. Avoid using harsh chemicals that could damage the finish. Check for any loose bolts or signs of wear after every long ride. If you notice any issues, it's best to have a professional bike mechanic take a look.