Teeth:48-32T Double Chainring.
Anti Chain Rivets: There are chain rivets to prevent the chain from being embedded in the crank gap.
Process: CNC integrated molding, anodized treatment for anti oxidation, and the variable speed pin is designed for fast shifting.
High Strength: Made of aluminum alloy, light weight, strong, not easy to deform, and long service life.
Service : if you have any other questions, you can contact us,we will help you within 24 hours.