HIGH QUALITY METAL MATERIALS:The chain sprocket is made of high quality steel materials, resistant, high performance, , high strength, one can be used for a long time, and it is economical.
ROTATES SMOOTHLY:The bicycle flywheel can provide a fast cycle speed and reduce the amount of work required. It rotates smoothly without too much noise. It is the best choice for your bicycle flywheel.
LIGHT AND SMALL:The bicycle flywheel is very light and small and easy to install on the bicycle. Made of metal, high strength, strong and .
EASY TO INSTALL:Reasonable design, easy to install and disassemble, can replace old or damaged ones, convenient and practical.Simple design, light and compact, easy to carry and use, convenient and practical.
FOR 420 PINION ELECTRIC TRICYCLE:High quality materials, professional manufacturing, stable performance, high reliability.Strong compatibility, suitable for 420 pinion electric tricycle, can be used as spare parts.