Shimano XT FC-M8000 Left Crank Arm 170mm MFPN=00.7918.412.003 Stretch mesh on back allows

Stretch mesh on back allows breathability

Proper tire profiles not only allow for optimal tire performance but also allows the tire to do its secondary job of protecting the rim as well as the tire sidewall

Built with double butted spokes and alloy spoke nipples

All good if you're not looking to swap them out or spin them around

This economy waxing iron ensures consistent heat through an extra-thick bottom plate with unique grooves to ensure optimum distribution of wax

Shimano XT FC-M8000 Left Crank Arm 170mm MFPN=00.7918.412.003 Stretch mesh on back allowsShimano XT Left Crank Arms Color Black Spindle Interface Type Hollowtech II Length 170