Cog Material: High tensile steel. The internal thread has high precision, smooth rotation and easy maintenance.
How to install: Screw in Freewheel, easy to install, tighten firmly. Please consider the thickness matching yourself, as it may require some experience to achieve balance with the sprocket.
How to disassemble: This product does not include a removal tool. The 14T Freewheel has 12 splines. Please use a 12 Spline Remover with a wrench to remove it.
Compatibility: Sh*m*n* and Sr*m transmission system. Compatible with standard threaded bicycle rear hub. Suitable for single-speed bikes or tricycles.
Note: The product comes with lubrication oil, this is not dirt or damage! The images are for reference only. This is an industrial product, not a work of art. If you are concerned about perfection, please consider carefully before purchasing.