Motorcycle Sprocket & Brake Rotor for 47cc-49cc Mini Bikes
$10.99 on Amazon.com (as of June 29, 2026, 2:18 PM EST) View details ↗
Upgrade your 47cc-49cc 2-stroke mini bike, ATV, or pocket bike with this high-quality aluminum brake rotor. Designed for durability and reliable braking performance, this 139mm rotor features a 29mm center hole and 34mm mounting hole spacing, ensuring a perfect fit for most models in this category. The precision-engineered design allows for quick and easy installation with basic tools, making it an ideal replacement part for gas or electric scooters.
This brake rotor is crafted from premium aluminum alloy for lightweight strength and long-lasting wear resistance. When paired with the right sprocket setup, it helps optimize power delivery, improving acceleration and fuel efficiency. Whether you're navigating trails on your mini dirt bike or cruising on an ATV, this rotor delivers consistent stopping power you can trust. Compatible with popular brands and models, it’s a must-have upgrade for performance and safety.






