Tacx NEO 2 SMART Direct Drive Smart Trainer Shimano 12/11 speed freehub body. Compatible with quick release and 12mm thru-axle. Supports ANT+ FE-C and Bluetooth connections. Condition: Shows scratches, minor damage, and rust from use. Also, the fan only spins when powered on. Therefore, it is considered a junk item. Accessories: Power cable, quick release adapter, thru-axle adapter, quick release, CS5800 sprocket (105), front wheel block I do not have the technical skills to repair it, but someone who can repair it may be able to use it.