TrailMaster C50 150cc Gas Dirt Bike, 4-Speed Manual Clutch (17/14) Wheels

      The TrailMaster C50 is a mid-size off-road dirt bike built for riders who want more power, stability, and full control on the trail. Powered by a strong 150cc 4-stroke engine, the C50 delivers solid acceleration, dependable torque, and confident performance across dirt, trails, and rough terrain.

       Equipped with a 4-speed manual clutch transmission, electric start with kick-start backup, inverted front forks, and hydraulic disc brakes, this model is designed for riders ready to step into a more advanced, motocross-style riding experience. Its larger 17-inch front and 14-inch rear wheel setup improves stability, handling, and obstacle clearance, making it a strong choice for teens and adults transitioning into full-size dirt bikes.

Performance Specs:

Engine

• 150cc Single-Cylinder, 4-Stroke, Oil-Cooled Engine
• ZM-series engine platform
• 145cc–150cc class displacement (varies by build)
• 4-Speed Manual Transmission (1-N-2-3-4 shift pattern)
• Manual Clutch System
• Electric Start + Kick Start Backup
• CDI Ignition System
• Chain Drive (#428 system)
• Maximum Power: ~6.8 kW / 9 HP class
• Maximum Torque: ~11 N·m @ 5500 RPM
• Compression Ratio: 9.0:1
• Bore x Stroke: 56.5 × 57.8 mm
• Top Speed: Up to ~55 MPH

Fuel System

• Fuel Capacity: 1.2 Gallons (4.5 Liters)
• Carbureted Fuel System
• EPA-compliant 4-stroke setup
• Recommended Oil: 5W-40 / 10W-40 (varies by climate)

Suspension

• Front: Inverted hydraulic forks (non-adjustable)
• Rear: Spring preload mono-shock (non-adjustable)
• Built for trail impact absorption and stability
• Motocross-style geometry for improved handling

Braking System

• Front Hydraulic Disc Brake (approx. 220mm rotor)
• Rear Hydraulic Disc Brake (approx. 190mm rotor)
• Dual disc braking system for strong stopping power

Wheels & Tires

• Front Tire: 70/100-17 knobby off-road tire
• Rear Tire: 90/100-14 knobby off-road tire
• Steel 17-inch front wheel / 14-inch rear wheel
• Off-road tread for traction and control

Dimensions

• Overall Length: 71.3 in
• Overall Width: 28.9 in
• Overall Height: 43.3 in
• Wheelbase: 49.8 in
• Seat Height: 33.5 in
• Ground Clearance: 13 in

Frame & Construction

• Twin-girder steel tube frame
• Reinforced off-road chassis design
• Steel swingarm construction
• Foldable levers (clutch & brake)
• LED headlight (on most trims)

Weight

• Net Weight: 172lbs
• Gross Shipping Weight: 203lbs

Additional Features

• Electric start system
• Kick start backup
• Full manual clutch control (true dirt bike feel)
• Inverted front suspension for improved handling
• Full motocross-style ergonomics
• Built for trail, off-road, and recreational riding
• Available in Red, Green, and Orange
• Recommended Rider Age: 12+ Years

What's Included:

✔ TrailMaster C50 Dirt Bike
✔ Battery for electric start
✔ Tool Kit
✔ Owner’s Manual
✔ Assembly Hardware & Instructions