• 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
• Compatible with 10/11-speed HG cassette hubs and disc brake hubs
• Our cycling sprockets freewheel parts for mountain bike boasts a lightweight design that enhances riding efficiency without compromising on durability

Note:

• The more teeth the flywheel has, the greater the torque, making pedaling easier but slower and carrying more load.
• The fewer teeth of the flywheel, the smaller the torque and the faster the speed, but it is relatively laborious to climb hills and ride with weight.