Trays on the Double Decker alternate high and low to maximize the number of bicycles you can display efficiently. V shape Idler wheel makes trays can slide and pivot, allowing easy access to bikes; 1400N gas spring assisted that makes the upper deck more stable to vertical park the bikes.
Fetures:
1)Sturdy red handle grips 2)Spring-loaded levers hold bikes firmly in place 3)Smallest footprint 4)Smooth and silent operation 5)Simple installation 6)Low maintenance