MTB cranks fit well with our Freeride, All Mountain, and Enduro frames. 2-pcs construction cranks with an integrated 24mm axle make them trustworthy and trouble-free. The 10-splines design combined with 2-bolt left arm guarantees a really strong connection. Equipped with a common size 32T narrow-wide chainring and an external bottom bracket fully compatible with the Shimano standard and frames with 68mm or 73mm BB shells. If you look for MTB cranks that will not ruin your budget and will look cool on your bike - Rock is for you!