NCY Performance Roller Weights (16x13): 139QMB & GY6 50-80cc

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    1200-1051 6G

    $18.00
    $18.00
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    Description

    Optimize Your CVT: NCY 16x13 Performance Roller Weights

    Fine-tune your scooter's transmission with high-quality NCY 16x13 Roller Weights. An essential tuning tool for any CVT system, these rollers allow you to customize your scooter's acceleration and top-speed characteristics. Replacing worn, flat-spotted rollers restores lost performance and dramatically improves fuel efficiency.

    Why Choose NCY Rollers?

    • Precision Tuning: Available in multiple weights (5g–9g) to help you find the "sweet spot" between low-end torque and high-end speed.
    • Premium Durability: Manufactured in Taiwan to ISO 9001 standards, ensuring long-lasting performance and resistance to flat-spotting.
    • Performance Recovery: Eliminates high-revving lag and restores top speed lost to worn-out factory weights.

    Detailed Model Fitment

    These 16x13mm rollers are compatible with a wide range of 50cc scooters, including:

    Brand Compatible Models
    Genuine Scooter Co. Buddy 50, Roughhouse 50, Rattler 50, Black Cat 50
    Honda Ruckus 50, Metropolitan 50 (Pre-2011), Elite 50, Dio (AF25, AF27, AF28)
    Yamaha Zuma 50 (2-Stroke), Vino 50, Jog 50
    Chinese / Import All 139QMB / GY6 50cc-80cc engines (Tao Tao, CSC Go, etc.)

    Also fits the following popular 50cc Chinese-produced engines with engine serial numbers:
    139QMA , 139QMB , 1P39QMB , 1P39QMA , 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, LJ139QMB as well as 147QMD (GY6 80cc)

    Technical Specifications

    • Dimensions: 16mm (Diameter) x 13mm (Width)
    • Available Weights: 5g, 6g, 7g, 8g, 9g
    • Material: Specialized low-friction polymer sleeve with metal core
    • SKU: 1200-1051
    • Origin: Made in Taiwan
    Maintenance Tip: Roller weights should be inspected every 1,000 miles. If you notice flat spots or a decrease in top speed, it’s time for a replacement set to keep your CVT shifting smoothly.

    About NCY: NCY is the premier provider of aftermarket performance components for leading scooter brands, including Honda, Yamaha, Genuine, Vespa, Piaggio, SYM, Lance, KYMCO, and GY6/QMB-powered scooters. Established in 1997, NCY adheres to rigorous quality standards and holds ISO 9001 certification.

    NCY performance parts are made in Taiwan.

    WARNING: California’s Proposition 65

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    • Reliable Shipping

      Orders are carefully packed and shipped with dependable delivery across the contiguous United States. Designed to get your scooter or parts to you safely and on time.

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      Our 30-day return policy makes it simple to shop with confidence and peace of mind. If something isn’t right, returns are straightforward and hassle-free.

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    Orders

    How do I place an order?

    Simply browse our scooters, parts, or accessories, add your desired items to the cart, and proceed to checkout. Follow the prompts to enter your shipping and billing information, then confirm your order.

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    Financing options may be available for certain scooters. Please check the product page or contact our customer support team to learn about current financing offers.

    Products

    What types of scooters do you offer?

    We offer a variety of scooters, including classic-styled models, modern gas-powered scooters, and electric scooters. Options range from lightweight 50cc scooters to more powerful 150cc+ models for commuting or longer rides.

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    Yes! Most of our scooters are easy to handle, lightweight, and beginner-friendly. They are designed for smooth rides and safe handling, making them perfect for first-time riders.

    Shipping

    How long will it take for my order to arrive?

    Most orders are processed within 1–2 business days. Standard shipping to the 48 contiguous United States usually takes 3–7 business days, depending on your location and product availability.

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    We offer flat-rate shipping for orders shipped within the 48 contiguous states. Shipping costs are calculated at checkout and are designed to be simple and affordable.

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