Bike Crankset：road bike crankset hollow integrated crank arm set 170mm ,with chainring.
Material: high-strength aluminum alloy material,strong and impact-resistant,uniform force and smooth riding.
Chainring :48-32T double speed chainring narrow width teeth,suitable for Gravel highway/folding cart.
Shimano direct-mounted structure: effectively improve the strength and reduce the weight,screw lock,which is not easy to fall.
Service : if you have any other questions, you can contact us,we will help you within 24 hours.