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428-15T Front Engine Sprocket (17mm) for 50cc–160cc Dirt Pit Bike & ATV
428-15T Front Engine Sprocket (17mm) for 50cc–160cc Dirt Pit Bike & ATV
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Product Overview
Achieve higher top speeds and a smoother ride with the 428-15T Performance Front Sprocket. Designed for engines with a standard 17mm output shaft, this 15-tooth sprocket is the perfect upgrade for riders looking to "gear up" their drivetrain. By increasing the tooth count, you lower engine RPM at cruising speeds, reducing vibration and noise. Engineered for the heavy-duty 428-series chain, it provides a robust and reliable connection for everything from 50cc mini-bikes to high-torque 160cc pit bikes.
Product Compatibility
| Component Type | Specification |
| Engine Displacement | 50cc, 70cc, 110cc, 125cc, 140cc, 160cc |
| Vehicle Types | Dirt Pit Bikes, ATVs, Motorcycles, 4-Wheelers |
| Chain Pitch | 428 (Heavy Duty) |
| Shaft Fitment | 17mm Countershaft |
| Common Brands | TaoTao, SSR, Apollo, Lifan, YX, Coolster |
Specifications
| Feature | Details |
| Model | 428 Style / 15 Teeth |
| Inner Diameter | 17mm (0.67") |
| Mounting Hole Distance | 30mm (1.20") center-to-center |
| Material | Hot-Treated High-Strength Steel |
| Technology | Silent Transmission Precision Machining |
| Package Includes | 1 x Sprocket, Retainer Plate, and Mounting Bolts |
Key Features
- Higher Top-End Velocity: The 15-tooth configuration is optimized for speed, allowing for a higher gear ratio that increases top speed and makes road or trail cruising more efficient.
- Precision Processing Technology: Manufactured with advanced tooth-cutting techniques to ensure a perfect mesh with the 428 chain, resulting in a more silent and smooth transmission with minimal vibration.
- Hot-Treated Durability: Crafted from high-strength steel that has undergone specialized heat treatment to maximize hardness and prevent the teeth from rounding or "hooking" over time.
- Complete Installation Kit: This package comes with complete accessories, including the locking plate and bolts, allowing for a direct installation without the need for additional specialized tools.
- Heavy-Duty 428 Design: Specifically built for the 428-pitch chain, providing a wider and stronger interface than standard 420 sprockets, making it ideal for high-performance off-road use.
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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) 428-15T. Key physical/spec details from the product data include 428 Style / 15 Teeth, Inner Diameter: 17mm (0.67"), Mounting Hole Distance: 30mm (1.20") center-to-center. 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 428-15T 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 428-15T, 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): 428-15T. Recheck listed specs such as 428 Style / 15 Teeth, Inner Diameter: 17mm (0.67"), Mounting Hole Distance: 30mm (1.20") center-to-center. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.