Dr. Pulley 16x13 Sliding Roller Weights - Performance CVT
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Upgrade your CVT system with Dr. Pulley 16x13 Sliding Roller Weights. Unlike traditional round weights, these uniquely shaped sliders allow the variator to open wider, increasing top-end speed while providing a more aggressive response off the line. Made in Taiwan from a proprietary self-lubricating nylon composite for maximum longevity and reduced friction.
Key Performance Benefits
- Sliding shape allows the variator to travel further than standard rollers — higher top speed
- Smoother, more consistent power band — eliminates flat spots
- Self-lubricating nylon composite protects variator ramp surfaces
- Long-lasting durability — reduces wear on both weights and variator
Weight Selection Guide
- Lighter (3.0g – 5.5g): Best for quick acceleration and hill climbing; runs at higher RPMs
- Standard (6.0g – 8.5g): Sweet spot for daily commuting and balanced performance
- Heavier (9.0g – 11g): Best for higher top speeds and lower RPM cruising on flat roads
Specifications
- Size: 16mm (diameter) x 13mm (width)
- Weight Options: 3g – 11g (select from dropdown)
- Quantity: 6 pieces per set
- Material: High-temp, low-friction nylon composite
- Made in Taiwan
Compatibility — Major Brands
| Brand | Models |
|---|---|
| Genuine Scooter Co. | Buddy 50, RoughHouse 50, Rattler 50, Black Duck 50 |
| Honda | Ruckus 50 (NPS50), Metropolitan CHF50 (2002–2012) |
| Yamaha | C3 (XF50), Vino 50 (4-stroke), Zuma 50F (4-stroke) |
| Kymco | Agility 50, People 50, Super 8 50 (4-stroke) |
| TaoTao | ATM50-A1, Pony 50, Thunder, VIP |
| Wolf Brand | RX-50, Islander, Lucky, Blaze |
| Ice Bear | Maddog 50cc, PMZ50 series |
| Bintelli | Breeze, Havoc, Scorch, Sprint |
| Also fits | ZNEN, Jonway, Roketa, Peace Sports & more |
Compatibility — 139QMB Engine Codes
| 50cc / 80cc 4-Stroke Engine Codes | |||
|---|---|---|---|
| 139QMA | 139QMB | 1P39QMB | 1P39QMA-2 |
| YN139QMB | JJ1P39QMB | 139FMA-2 | BD1P39QMB |
| BN139QMB | 147QMD | Other QMA models | Other QMB models |
Performance tuning parts are intended for racing and off-road use. Professional installation and belt inspection are recommended when changing weights.
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