Rope and strap -Keeper Unisex Adult Plastic Aluminum Alloy Bike Chain Holder Highlights generic brand Keeper Unisex Adult Plastic Aluminum Alloy Bike Chain Holder Description: Sleeping hub for chain keeper of aluminum alloy premium nylon bicycle - high strength, light weight and durability Used to keep the chain in tension, away from the frame and tangled Easy to install and convenient to use - just remove the rear wheel and place the chain retainer chain in the wheel pad Deeper, crawler-like slot prevents the chain from falling off A great accessory for cleaning, transporting, lubricating or storing your bike specification: Material: plastic, aluminum alloy Color: black Package includes: 1 Piece Bike Chain Holder Note: Please allow slight difference due to manual measurement. The color may be slightly different since different monitor. THANKS!