Designed for fixed gear conversion for 6-Bolt disc hubs single speed.
Lightweight won' more burdens to your bike and scientific design increases contact area to protect hub body.
The set includes 4 pieces spacers, 1 piece speed cassette, 1 piece cover.
Fits for 7-10 Speeds hubs conversion.
This bike single speed cassette cog made of high quality steel material with anti-rust plating- high strength, strong and solid for long time using.
Colour: Black