Product Details
Description
Front Disc Brake (185mm); CSC Bella
Key Details
- Original Parts For Scooters SKU: 159-16
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.
- Fits Models / Common Applications: CSC and other compatible models may apply.
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 CSC?
A: This SKU is listed with CSC model fitment where the scooter also matches the listed engine or fitment notes.
Additional information
| Weight | 1 lbs |
|---|---|
| Dimensions | 1 × 1 × 1 in |
This Front Disc Brake (185mm) fits Chicago Scooter Company's Bella Classic 50, Nitro Sport 50, Pug 50 and other and 50cc 139QMB bikes.Â
Original Parts For Scooters SKU 159-16
Original ZNEN Part Number: 45121-XSG-9000
- Inner Diameter: 58mm
- Outer Diameter: 180mm
- Total Diameter: 180mm Â
- Rotor Thickness: 3.5mm Â
- Center Hole Diameter: 58mm Â
- 3 Hole Bolt Spacing: 69mm Â
- Bolt Hole Diameter: 10.5mm
| CSC Bella Classic 50 | CSC Nitro Sport 50 |
| CSC Pug 50 |
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 |





