Giới thiệu Vòng Bảo Vệ Đĩa Xích Xe Đạp BCD 130mm 54T

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.
Elliptical Design: 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 ring can distribute trampling power more reasonably so that protect knee meniscus more effectively and reduce knee wear during climbing race and long-distance riding.
Speed: 54T
BCD: 130mm
Specification:
Diameter Size: 225mm/8.89inch
Package Includes:
1 Piece Bike Chainrings Guard
Note:
Please allow slightly difference due to manual measurement.
Color may be slightly different since different monitor. Thanks!