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420-16T Front Engine Sprocket (20mm) for 50cc–160cc Dirt Pit Bike & ATV
420-16T Front Engine Sprocket (20mm) for 50cc–160cc Dirt Pit Bike & ATV
5.0 / 5.0
(1) 1 total reviews
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Product Overview
Maximize your top-end speed and achieve a smoother ride with the 420-16T High-Performance Front Sprocket. Designed for engines with a 20mm output shaft, this 16-tooth gear is the premier choice for riders looking to lower engine RPM during high-speed cruising. Its precision-engineered construction ensures that each tooth meshes perfectly with your chain, offering a significant upgrade in mechanical strength and stability for demanding off-road environments.
Product Compatibility
| Component Type | Specification |
| Engine Displacement | 50cc, 70cc, 110cc, 125cc, 140cc, 160cc |
| Vehicle Types | Dirt Pit Bikes, ATVs, 4-Wheelers, Off-Road Motorcycles |
| Chain Pitch | 420 |
| Shaft Fitment | 20mm Countershaft |
| Common Brands | TaoTao, SSR, Apollo, SDG, Lifan, YX |
Specifications
| Feature | Details |
| Tooth Count | 16T (16 Teeth) |
| Shaft Diameter | 20mm (0.78") |
| Mounting Hole Spacing | 30mm (1.18") center-to-center |
| Chain Size | 420 |
| Finish | High-Hardness Anti-Rust Coating |
| Maintenance | Easy-Disassembly Design |
Key Features
- High-Speed Gearing Profile: The 16-tooth design is optimized for "gearing up," allowing your bike to reach higher top speeds while reducing engine vibration and wear during long-distance rides.
- Superior Surface Hardness: Treated with a specialized coating that prevents rust and scratches, ensuring the sprocket maintains its structural integrity and "like-new" appearance even in muddy or sandy conditions.
- Precision Tooth Machining: Every tooth is individually machined for dimensional accuracy, providing excellent mechanical strength and ensuring the chain stays securely seated at high RPMs.
- Extreme Environment Reliability: Built from high-quality alloy materials that offer exceptional resistance to wear and corrosion, specifically designed for the frequent abuse of off-road use.
- Maintenance-Friendly Design: All components are designed for easy disassembly, making it simple to perform regular inspections, cleaning, and lubrication to significantly prolong the life of your drivetrain.
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Fitment FAQ
Will this part fit my specific model and year?
This replacement part is intended for 50cc–160cc Dirt Pit Bike & ATV. It is best matched to original part number(s) 420-16T. Key physical/spec details from the product data include Tooth Count: 16T (16 Teeth), 16T (16 Teeth), Shaft Diameter: 20mm (0.78"). 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 420-16T 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 420-16T, 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): 420-16T. Recheck listed specs such as Tooth Count: 16T (16 Teeth), 16T (16 Teeth), Shaft Diameter: 20mm (0.78"). If any connector, mounting point, size, or year detail is different, confirm fitment before installation.
Definitely a big upgrade in speed from a 14T !