Product Details
Description
Universal Parts 10mm Speedometer Hub: Bintelli & 139QMB
Replacement Part Details
Use this part when the original component is worn, damaged, missing, or no longer working correctly. Many scooter parts can look similar but use different sizes, plugs, brackets, thread patterns, or mounting styles, so careful comparison before purchase is recommended.
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 50cc
- Engine Code: 139QMB
- Fitment Notes: Universal Fit
Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible scooter. If your scooter has multiple versions or production changes, confirm the correct match before ordering. Check photos, measurements, original part numbers, engine code, model, and related fitment information whenever possible.
Common Fitment Questions
Q: Will this fit a 139QMB engine?
A: This SKU is listed as compatible with 139QMB engine-code fitment. Always compare your original part and scooter details before ordering.
Q: Is this for 50cc scooters?
A: This SKU is listed with 50cc engine-size fitment. Confirm exact model, year, and part style before ordering.
Additional information
| Weight | 0.3 lbs |
|---|---|
| Dimensions | 4 × 4 × 4 in |
Universal Parts 10mm Speedometer Drive Hub
Restore your dashboard's functionality and ensure accurate speed readings with the Universal Parts Speedometer Hub. Designed for 50cc scooters with a 10mm front axle, this drive gear is a precision-engineered replacement for worn or stripped factory units. Whether your needle is "bouncing" or completely dead, this hub provides the mechanical link needed to keep your speedometer responsive and reliable.
Technical Performance Features
- OEM-Spec Precision: A direct replacement for Taizhou Zhongneng (ZNEN) part number 44800-XSG-9000-A/B, ensuring factory-perfect fitment and gear ratios.
- Durable Internal Gearing: Features hardened internal drive gears designed to resist the wear and friction that typically causes speedometer failure.
- Weather-Resistant Housing: Sealed design helps prevent road grit, dust, and moisture from entering the gear assembly, extending the life of your speedometer cable.
- Standard Threading: Equipped with a universal 12mm thread for seamless connection to standard 50cc speedometer cables.
Comprehensive Fitment Guide
This hub is specifically designed for 139QMB-based scooters utilizing a 10mm diameter front axle:
| Brand / Engine | Compatible Series |
|---|---|
| Bintelli | Bintelli 50cc Models (Scorch, Breeze, etc.) |
| ZNEN / Taizhou Zhongneng | Universal 10mm Axle Applications |
| 139QMB Platforms | 139QMA, 139QMB, 1P39QMB, 147QMD |
| Chicago Scooter Co. | Compatible with select 10mm axle models |
Technical Specifications
- Axle Hole Diameter (ID): 10mm
- Cable Thread Diameter: 12mm
- Hub Outer Diameter: 47mm
- Manufacturer: Universal Parts
Mechanic's Note: Speedometer hubs usually fail because the internal gears go dry or the cable seizes.
Verification Tip: 50cc scooters use either a 10mm or 12mm axle—please measure your axle diameter before ordering to ensure a perfect fit.
Pro Tip: When installing, apply a liberal amount of High-Temp Lithium Grease inside the gear housing and on the cable end to ensure smooth operation and prevent future stripping!
SKU: 144-39
Vendor: Scooterworks USA, LLC






