... locking mechanismSolid steel construction, nylon rope; no assembly requiredIncludes rack, pulley system, mounting system, hardware, rope3.8 pounds; Ratio of item ... takes only a matter of minutes, and with its ingenious pulley system, raising and lowering your bike couldn't be easier ... and lower your bike from its ceiling-mounted position. The pulley system handles the brunt of the force, so it requires ...