GOOFIT 20mm Drive Front Sprocket for 50cc 70cc 110cc 125cc 150cc Motorcycle ATV Dirt Bike (420-17T)

420-17t drive front sprocket, Replacement for 50cc 70cc 110cc 125cc 150cc sdg ssr baja lifan loncin yx jialing motor motorcycle dirt bike atv. The main body is made of high-strength alloy steel with excellent corrosion and wear resistance, capable of working stably for a long time under extreme conditions. Each part is machined with high precision to ensure dimensional and structural accuracy. 17-tooth design for 420 chain ensures optimized transmission ratio and enhances the power output and handling performance of the vehicle. Precise internal tooth design ensures tighter meshing of chain and gears, reducing noise and vibration and enhancing driving experience. The gears are precision machined and polished to ensure a perfect connection with the chain, reducing looseness and slippage and providing stable power transmission.