Blue Line Pulley and Clutch Assembly; 139QMB
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Blue Line's complete driven pulley and clutch assembly fits Genuine Buddy and Rattler scooters, CSC go, Bella, Nitro Sport, Pug, and other 139QMB bikes. See the compatibility table below to ensure this product works with your ride.
Original Parts For Scooters SKU 151-232
Specifications:
- Rear Pulley Assembly with Clutch
- Rear Clutch Drum Bell with 22-tooth splines
- Outer Diameter: 115mm
- Inner Diameter: 11mm
Compatibility:
| Genuine Buddy 50 | Genuine Rattler 50 |
| Chicago Scooter Company go. | Chicago Scooter Company Go. Max |
| Chicago Scooter Company Bella | Chicago Scooter Company Pug |
| Chicago Scooter Company Nitro |
139QMB-based 50cc / 80cc engines with the following engine codes:
| 139QMA | 139QMB | 1P39QMB | 1P39QMA-2 |
| YN139QMB | JJ1P39QMB | 139FMA-2 | BD1P39QMB |
| BN139QMB | 147QMD | Other QMA models | Other QMB models |
Don't see your engine listed? If the engine code includes "QM" or "FM", this product is compatible with your vehicle.
About Blue Line: Blue Line provides OEM-equivalent replacement components for on-road scooters. Blue Line parts serve as direct-fit alternatives when original equipment manufacturer parts are poor quality, unavailable, or prohibitively priced. Since 2018, Blue Line has been delivering high-quality scooter parts at competitive prices, ensuring optimal value for customers.
Shipping information
Orders are prepared as quickly as possible. Delivery times and shipping costs are calculated at checkout based on the destination and items ordered.
Returns & warranty
Please verify fitment and part number before ordering. Contact Thrifty Scooters promptly if an item arrives damaged or incorrect.