Crank Arm Protection Socks is a specific product to protect those beautiful carbon crank arms of yours. The trails you ride are cruel, just as you like is. Often times those crank arms end up hitting a boulder or 2 on the trail. Those nasty deep scratches can be avoided by installing a pair of silicon crank arm socks.
Installation is easy. Grab a pedal spanner, twist those pedals off and fit the crank socks. Just a tip, pedals turn off the OPPOSITE way.