420 Chain Front Sprocket 13T 20mm Pit Bike

420 Chain 13 Tooth Front Sprocket with 20mm Bore

This 420 chain 13 tooth front sprocket is designed for pit bikes, dirt bikes, and youth ATVs using small engine powersports setups. Built from durable steel, it delivers long wear, smooth power transfer, and reliable performance in both recreational and performance riding.

Whether you're replacing a worn sprocket or adjusting your gearing for better acceleration and throttle response, this is a simple and effective upgrade. The 13 tooth design provides a balanced mix of low end power and top speed, making it ideal for trail riding and everyday use.

The 20mm bore fits many popular Honda, Lifan, and Chinese engine platforms including 110cc, 125cc, and 140cc models. Designed for proper alignment with standard 420 chain systems commonly used on pit bikes, quads, and small off road motorcycles.

Features

• 420 chain front sprocket
• 13 tooth design for balanced performance
• 20mm bore fits many pit bike engines
• Durable steel construction for long service life
• Precision fit for smooth and reliable operation
• Direct replacement for worn or damaged sprockets

Specifications

• Chain: 420
• Teeth: 13
• Bore size: 20mm
• Material: Hardened steel

Applications

• Pit bikes and youth dirt bikes
• Chinese ATVs and small off road machines
• Common Honda, Lifan, and similar 110cc to 140cc engines
• Trail, track, and recreational riding