CYSKY Bike Chain Guide 32 40T MTB Guard Ultralight High strength Aluminum Alloy Bicycle Protector for Most Road Mountain (ISCG 03)

High-quality Material: Use ultralight high-strength AL7075 aluminium alloy with high quality CNC machined Product Range: The ultralight high quality chain guide is round: 32T-40T Chain Guide Specification: The type of the chain guide is ISCG-03/ ISCG-05 Easy to Install: The Chain Guide easy to assembling without removing your cranks. Prevents falling off: The chain guide can be used for pipes in the frame to prevent the chain from falling off and moving, without worrying about dropping the chain again and extending the life of the chain