chidgrass Fixed Gear Mountain Bike Wheel Cogs Sprocket Lock Rings Maintenance Cycling Crankset Accessories Replacing Parts 13T

Description:
Useful part: This fixed gear bike wheel cog is designed to change the ratio without changing the crankset.
Simple installation: This wheel cog comes with a lock ring that makes it convenient to install and not easy to fall off.
Carbon steel: This mountain bike wheel sprocket gear is strong and sturdy and abrasion-resistant and not easy to be damaged.
Easy to transport: This wheel cog is small and lightweight, doesn't take much space, so you can easily store it.
Good replacement: This carbon steel wheel gear is durable and is a good fit for replacing a worn or damaged gear in your bike.
Specification:
Material: Carbon steel.
Color: Show as picture.
Size: Flywheel gear: Approx. 34.8mm/1.37 inch(Right Thread), fixing ring: Approx. 32.8mm/1.29 inch(Left Thread).
Note:
There might be a bit of color distortions due to different computer resolutions.
There might be a slight error due to different hand measurements.
Can only be used on a fixed gear wheel hub, not suitable for reverse brake hub.
Package Includes:
1 Piece Wheel Cog(with 1 Piece Fixing Ring).