Product Details
Description
Left Rear Drum Brake Lever: 139QMB & ZNEN 50cc Scooters
Compatibility
Fits many 139QMB-based 50cc / 80cc scooter engines. Confirm measurements, connector style, and engine family before ordering.
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 50cc, 80cc
- Engine Code: 139QMB
- Fits Models / Common Applications: ZNEN 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 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: Will this fit a ZNEN?
A: This SKU is listed with ZNEN model fitment where the scooter also matches the listed engine or fitment notes.
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 | 5.75 × 1.5 × 1 in |
| Condition | New |
|---|
Reliable Stopping Power: Left Hand Rear Drum Brake Lever
Restore your braking confidence with this OEM-Replacement Left Rear Brake Lever. Specifically designed for scooters utilizing the 50cc/80cc 139QMB engine platform with a cable-actuated rear drum brake, this lever offers a factory-perfect fit and feel. Finished in a durable matte black coating, it provides the ergonomic leverage needed for smooth, consistent deceleration in urban riding conditions.
Technical Performance Features
- Direct OEM Replacement: Matches factory specifications for the Chicago Scooter Company lineup and dozens of other QMB139-based bikes.
- Cable-Actuated Design: Engineered with the correct pivot geometry for drum brake cables, ensuring a "snap-back" feel without binding.
- Durable Alloy Construction: High-strength cast aluminum body resists bending and snapping during tip-overs or heavy emergency braking.
- Weather-Resistant Finish: The semi-gloss black powder coat protects against corrosion and UV fading.
Comprehensive Fitment Guide
This lever fits nearly all 50cc 4-Stroke Chinese Scooters with a rear drum brake. It is a guaranteed fit for:
| Brand / Series | Compatible Models |
|---|---|
| Chicago Scooter Co. | go., go. MAX, Bella Classic 50, Pug 50, Nitro Sport 50 |
| Popular Chinese Makes | TaoTao, Wolf, Ice Bear, Bintelli, Amigo, Vitacci, Peace Sports |
| Premium Import Brands | Lance, Kymco (Agility 50), SYM, ZNEN, Jonway, BMS |
| Engine Codes | 139QMB, 1P39QMB, 139QMA, GY6 50, 147QMD |
Technical Specifications
- Orientation: Left Hand (Rear Brake)
- Brake Type: Drum (Cable Actuated)
- Length: 5.75 Inches
- Color: Black
- MPN: 3547001
Mechanic's Note: If your brake lever feels "mushy" even with a new lever, check your rear brake cable for stretching or fraying. For a balanced look and feel, we recommend replacing the Right-Hand Disc Brake Lever (0800-4038) at the same time if your current set is faded or mismatched.
SKU: 0800-4004
Vendor: Chicago Scooter Company (Original Parts)
For the right lever, see SKU 0800-4038.
Original Parts for Scooters SKU 134-66
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