The Crankbrothers MalletSpeedlace Clip-In MTB Shoes are designed for enduro races and long adventures. They feature a carbon-injected nylon shank for efficient pedaling while maintaining a strong shoe-to-pedal connection. The Match System enhances compatibility with any MTB clip-in system, including Crankbrothers and SPD. The shoes come with a Match shim and Crankbrothers cleat pre-installed in a neutral position, ready for use with Crankbrothers pedals.