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GStone  

GStone

Gstone designate to use SAE8620 material and Gear Grinding Technology to ensure high precision product. Our product has many strengths. For instance, develop gear ratio to improve the speed and torque, lighting the weight of gears to earn less stress on transmission in order to maintain the life usage. Nowadays, GStone has developed the gear ration on the bike of Kymco, Yamaha, SYM, PGO. If you are any interesting in customized gears, we are very welcome for any Depots and Dealers.