MUQZI Single Speed Conversion Kit 12T 13T 14T 15T 16T 17T 18T 19T 20T 21T 22T Single Speed Cassette One Speed Cog

This patented bicycle freewheel is crafted from high-strength stainless steel and lightweight aluminum alloy, offering superior durability and corrosion resistance. Available in multiple anodized colours and sizes from 12T to 22T, it is precisely CNC-cut for enhanced performance and appearance. The stainless steel used provides double the strength of standard 316 steel with a hardness rating of 18 degrees. Compatible with 7–10 speed cassette towers, it includes stainless steel screws and 6061 alloy components for reduced weight and long service life. Proper installation ensures optimal chain tension and smooth operation, making it suitable for various cycling setups.