428 Chain Front Engine Sprocket 18T 17mm Width For 50cc 70cc 110cc 125cc 140cc 160cc Honda TaoTao Roketa Coolster Sunl Lifan Chinese ATV Quad Dirt Bike Includes Octagonal Wrench

428 Front Sprocket 18T, 17mm Wide for 50-160cc ATVs
✔️ 428 chain sprocket, 18T, 17mm width, 45# steel, single pack

This 428 chain front sprocket is tailored for 428 chain systems with a 17mm width, making it a solid replacement for 50cc-160cc dirt bikes, ATVs, go-karts, and mini quads. Crafted from 45# steel, it delivers high strength and deformation resistance to stand up to daily riding and tough environments.

✅ 18T front sprocket for 428 chain
✅ Width 17 mm (0.67 in) for precise fit
✅ Thickness 7 mm (0.28 in) to handle drive loads
✅ Material: 45# steel for high strength
✅ Fits 50cc-160cc dirt bikes, ATVs, go-karts
✅ Includes octagonal wrench

💡 What is a front sprocket used for in a drive system? This handy drive component translates engine output to chain motion, affecting torque and speed.
- Transfers power from engine to chain
- Sets the gear ratio with the rear sprocket
- Helps control acceleration and top speed on small bikes and ATVs