PROTECTION OF THE BICYCLE CHAIN Chain guide BICYCLE CHAIN COVERS ALUMINUM CHAIN GUARD BICYCLE CHAIN GUARD Aluminum chain guard BICYCLE CHAIN GUARD TOOL BICYCLE CHAIN PROTECTORS Bicycle supply CHAIN GUARDS PROTECTION OF THE BICYCLE CHAIN Chain cover designed for folding bikes with rear derailleur, a great accessory for cycling enthusiasts. Creative design to fit different gear sizes and prevent the chain from slipping off the crank. This chain tensioner can turn a multi-speed bike into a single-speed bike. Guarantees perfect chain tension, so pedaling requires less effort. The bicycle chain cover is light and small, easy to install and use. PACKAGING LIST 1 x bicycle chain guard Chain guide If you are looking for a professional and affordable bicycle chain guard then your research is here. This is because our product can meet your needs. Adopted of aluminum alloy material It is practical and durable for long time use. It is not easy to deform and provide great convenience. BICYCLE CHAIN COVERS Color: Black Material: aluminum alloy Size: 6,00 x 5,50 x 2,00 cm / 2,36 x 2,16 x 0,79 inches Chain cover designed for folding bikes with rear derailleur, a great accessory for cycling enthusiasts. Creative design to fit different gear sizes and prevent the chain from slipping off the crank. This chain tensioner can turn a multi-speed bike into a single-speed bike. Guarantees perfect chain tension, so pedaling requires less effort. The bicycle chain cover is light and small, easy to install and use.