【Material】: As an excellent upgrade substitute for bike maintenance. The product is made of aluminum alloy 7075-T6, which is strong and corrosion resistant.
【Appearance】:Full CNC machine grinding production, dot hollow design. The color of the whole body is the same, simple and fashionable, strong and durable.
【Compatibility】: Often used in urban folding bicycles, fixed gear bicycles and other single speed vehicles. Compatible chain size 1/2"*1/8", pedal mounting size 9/16 ".
【Easy to install】: Included in the package is a fixed right crank sprocket and a separate left crank. And suitable for most single-speed bikes. Save installation time and meet daily commuting use.