Check the listing for details. Bicycle Chain Stabilizer Anti-Drop Chain Guide Chain Keeper Bike Chain Catcher. Color: black, red, gold and silver, Condition: New. Listed at 9.72 USD. Description: Name:Bike Chain Catcher Colour: black, red, gold and silver Material: aluminium alloy + stainless steel screws Size: 105mm*13.5mm Packing List: 1 set Bike Chain Guide Features: Use this chain guide to protect your center axis from getting caught in the chain while riding at high speeds. Very lightweight design. It can better prevent the chain from falling. Prevent damage to the frame surface. Payment: Shipping: Terms of Sale: About Us: : Name:Bike Chain Catcher Colour: black, red, gold and silver Material: aluminium alloy + stainless steel screws Size: 105mm*13.5mm Packing List: 1 set Bike Chain Guide Features: Use this chain guide to protect your center axis from getting caught in the chain while riding at high speeds. Very lightweight design. It can better prevent the chain from falling. Prevent damage to the frame surface.