Bike Crankset：road bike crankset hollow integrated crank arm set 170mm.
Material: high-strength aluminum alloy material,strong and impact-resistant,uniform force and smooth riding.
Shimano direct-mounted structure: effectively improve the strength and reduce the weight,screw lock,which is not easy to fall.
Exquisite Workmanship：This road bike crankset arm adopts excellent manufacturing process with fine polish and great paint, which has stable performance and stylish appearance and can add a unique look to your bicycle.
Service : if you have any other questions, you can contact us,we will help you within 24 hours.