428-16T Front Engine Sprocket (17mm) for 50cc–140cc Pit Bike & ATV

Product Overview

Unlock the full potential of your drivetrain with the 428-16T Performance Front Sprocket. Specifically designed for the standard 17mm output shaft, this 16-tooth sprocket is the premier choice for riders looking to maximize top-end speed and fuel efficiency. By appropriately adjusting your gear ratio, this sprocket allows your engine to operate at a more relaxed RPM during high-speed cruising, providing a smoother, safer, and more reliable ride across complex terrains.

Product Compatibility

Component Type	Specification
Engine Displacement	50cc, 70cc, 90cc, 110cc, 125cc, 140cc
Vehicle Types	Dirt Pit Bikes, Mini Bikes, ATVs, 4-Wheelers, Mopeds
Chain Pitch	428 (Heavy Duty)
Shaft Fitment	17mm Countershaft
Common Brands	TaoTao, SSR, Apollo, Coolster, Lifan, YX

Specifications

Feature	Details
Tooth Count	16T (16 Teeth)
Inner Diameter	17mm (0.67")
Mounting Hole Distance	30mm (1.18") center-to-center
Chain Style	428 Style
Material	Heat-Treated High-Strength Composite Alloy Steel
Surface Treatment	Anti-Corrosion Protection

Key Features

• Optimized Speed & Efficiency: The 16-tooth design significantly boosts your top-end speed. By lowering engine RPM at high velocities, it can lead to improved fuel efficiency and a more comfortable riding experience.
• Precision Tooth Geometry: Each tooth is processed by precision machine tools to ensure perfect chain meshing. This eliminates "chain skipping" and reduces mechanical wear, even during high-speed operation.
• Enhanced Hardness & Toughness: Utilizing high-strength composite materials and a rigorous heat-treatment process, this sprocket is built to resist heavy impacts and long-term abrasive wear.
• All-Weather Reliability: Featuring a specialized anti-corrosion surface treatment, this sprocket is designed to maintain peak performance in rain, mud, and harsh off-road environments.
• Performance Customization: Changing to a 16T sprocket allows you to fine-tune your vehicle's acceleration response to match your specific driving habits and terrain requirements.