DD Motors are affixed to the boards axle where the wheel mounts onto the side of the motor. They provide super smooth yet crisp delivery of performance and are the ultimate motor for everyday cruising or street carving. Direct Drive Motors are virtually maintenance free, plus are extremely efficient and super silent given they produce no loud belt noises and are fast becoming the motor of choice. Key Benefits Incredibly Efficient & Smooth  Very Quiet & Low Sound Output Low Maintenance Ideal for Cruising and Carving Downfalls Motor clearance on smaller wheels isn't ideal, although motor protective covers are easily replaceable and in-expensive.