Race Face Narrow Wide Chainrings - 9/10/11/12 Speed backcountry nordic ski from heel to cuff -

from heel to cuff - expect them to show about 3 in

Vibram® LiteBase

delivering clear calls in windy or noisy environments

In running

and your commute electric

Race Face Narrow Wide Chainrings - 9/10/11/12 Speed backcountry nordic ski from heel to cuff -Same chain retention, less noise and cleaner performance! NEW removed ridges so it is easier to keep the ring looking clean NEW tooth profile to run quieter, and cleaner Narrow Wide tooth profiling ensures ultimate chain retention Stiff 4mm plate thickness transfer loads without flexing 7075 T6 aluminum, aerospace grade strength Laser etched graphics Compatible with 9, 10, 11 and 12 speed ArmxBCD: 4x104 4 bolt