Chain guide mountain bike lightweight design, a set of only 97G, does not add to the burden of cycling.
The chain guide bike made of aluminum alloy material, high strength, light weight, firm and wear-resistant.
Wide compatibility. The presented diameter reducing piece can convert 34.9 to 28.6 or 31.8 diameters to fit 28.6 or 31.8 diameters of the middle tube.
The chain guide of mountain bike is used on the pipe in the frame, avoid chain interference when riding, double locking structure is more firm,and effectively prevent the chain from falling off.
The chain guide bike easy to install, and can be adjusted and installed with a wrench without removing the crank.
Description
Features:
1.Used for single-disc crankset，effectively prevent chain drop and chain jump，can guide the chain and protect the chain
2.high-strength aluminum alloy material, strong and light
3.Non-damaging design, won't damage the rotating rod after locking the screw
