... for maximum durability and toughness. The locking mechanism, pulleys, rope cleat, and lift mechanism offer smooth performance for years to come. ... the bike to its ceiling-mounted storage position. With each pull, the locking mechanism locks into place to eliminate accidental drops. ... in the BoxTwo lift assemblies, two hook pulleys (one with locking mechanism), 48-foot rope, one rope cleat, 10 two-inch ...