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428-16T Front Engine Sprocket (17mm) for 50cc–140cc Pit Bike & ATV
428-16T Front Engine Sprocket (17mm) for 50cc–140cc Pit Bike & ATV
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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.
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Fitment FAQ
Will this part fit my specific model and year?
This replacement part is intended for 50cc–140cc Pit Bike & ATV. It is best matched to original part number(s) 428-16T. Key physical/spec details from the product data include Tooth Count: 16T (16 Teeth), 16T (16 Teeth), Inner Diameter: 17mm (0.67"). Use the compatibility table and product photos together before ordering.
Do I need to match the OEM part number?
Yes. Match your original part number to 428-16T before purchase. For this replacement part, also compare the OEM number, dimensions, connector or mounting style, engine/model year, and product photos.
What models or situations does this part not fit?
Do not order this replacement part for machines outside the listed compatibility, or for units with different OEM numbers, dimensions, mounting points, connectors, or year-specific configurations. If your original part number does not cross-reference with 428-16T, treat the fitment as unconfirmed. Do not rely only on the model name or engine size.
What should I check before ordering?
Before ordering, compare your original part with the photos and check the OEM number, dimensions, connector or mounting style, engine/model year, and product photos. Confirm OEM/cross-reference number(s): 428-16T. Recheck listed specs such as Tooth Count: 16T (16 Teeth), 16T (16 Teeth), Inner Diameter: 17mm (0.67"). If any connector, mounting point, size, or year detail is different, confirm fitment before installation.
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