Description:

Made of aluminum alloy, CNC machined process and anodic oxidation electroplating, with the trait of smooth surface, bright color, not faded and corrosion resistance.
: Eliminate trampling dead point, enlarge force distance for the best starting point, solve chain skipping problem, save more effort and increase speed, without any hindrance or noise.
Knee protection: The chain can distribute trampling power more reasonably so that protect knee meniscus more effectively and reduce knee wear du climbing race and long-distance riding.
Speed: 52T,BCD: 130mm , Square Hole.
Diameter Size: 225mm/8.89inch

Package Includes:

Bike Chains Guard

Note:

Please allow slightly difference due to manual measurement.
Color may be slightly different since different monitor. Thanks!