TrailMaster Powersports

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

Regular price $1,499.00 USD
Color: Red

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TrailMaster C50 150cc Gas Dirt Bike hero shot - full side view
$1,499.00 USD
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TrailMaster C50 150cc Gas Dirt Bike - 4-Speed Manual Clutch (17/14 Wheels)


Description

The TrailMaster C50 is a capable mid-size dirt bike built for riders who want real motocross performance without stepping up to a full-displacement machine. Powered by a 145cc single-cylinder, 4-stroke oil-cooled engine, it delivers strong, even power across the rev range and a top speed of around 55 MPH. The 4-speed manual clutch transmission, inverted front forks, and hydraulic disc brakes front and rear give it a ride that feels confidence-inspiring on trails, tracks, and everything in between.

Full motocross ergonomics and a race-tuned suspension system let the C50 handle nearly any terrain naturally, while Electronic CDI ignition keeps starts easy and the powerband smooth in every gear. At just 172 lbs, this bike punches well above its weight class and is available in Red, Green, and Orange.


Key Features

  • 145cc 4-Stroke Oil-Cooled Engine: Single-cylinder powerplant delivers broad, usable power with a smooth CDI-managed power band - great for trail riding and motocross-style use.
  • Top Speed ~55 MPH: Lightweight 172 lb chassis combined with the 145cc engine gives the C50 impressive performance for its displacement class.
  • 4-Speed Manual Clutch Transmission: N-1-2-3-4 shift pattern gives riders full control over gearing - ideal for developing real dirt bike riding skills.
  • Inverted Front Forks (45x48-735mm): Race-style inverted front suspension absorbs impacts and provides stable, confident steering over rough terrain.
  • Hydraulic Disc Brakes - Front & Rear: 220mm front disc with twin-piston caliper and 190mm rear disc with single-piston caliper for strong, reliable stopping power.
  • 17"/14" Knobby Tires on Steel Rims: Front 70/100-17 and rear 90/100-14 knobby tires with DCA hubs deliver grip across dirt, gravel, and loose terrain.
  • LED Headlight: Built-in LED headlight extends riding into lower-light conditions and adds a modern, aggressive look.
  • Foldable Clutch & Brake Levers: Levers fold on impact instead of snapping - a practical feature that saves costly repairs after a tip-over.
  • 33.5" Seat Height: Mid-size geometry suits taller youth riders and adults comfortable on a compact, agile machine.
  • EPA-Compliant Exhaust: Steel pipe exhaust with catalyst converter meets EPA standards for street-legal and trail-legal compliance where applicable.

Shipping

This product requires additional shipping. If you'd like a quote before you purchase, fill out the form on this page or email us at service@omahasportsandgames.com for a delivery ETA or to confirm shipping details.


What's Included

  • TrailMaster C50 150cc Gas Dirt Bike

Why You'll Love It

The TrailMaster C50 is built for riders who are serious about dirt biking but want a machine that's manageable, reliable, and genuinely fun to ride. The full motocross geometry means you're not compromising on riding position or feel - this bike handles like a real dirt bike because it is one. Inverted forks, hydraulic disc brakes, and a manual clutch transmission put you in complete command, whether you're navigating wooded trails or pushing it on an open course. At 172 lbs, it's light enough to maneuver but sturdy enough to handle the demands of regular off-road use. The CDI ignition and oil-cooled engine are engineered for long-term reliability with straightforward maintenance, and the foldable levers are a small but smart detail that any experienced rider will appreciate. Available in bold Red, Green, and Orange colorways, the C50 makes a statement on and off the trail.


Product Specifications

View Product Specs
Engine Type ZM Single-Cylinder, 4-Stroke, Oil-Cooled
Displacement 145cc
Max Power 6.8 kw / 8500 rpm (±5%)
Max Torque 11 N.m / 5500 rpm (±5%)
Compression Ratio 9.0:1
Bore x Stroke 56.5 x 57.8 mm
Transmission 4-Speed Manual, N-1-2-3-4; Chain Drive #428 & 110L Chain, 14/41T
Start Type Kick Start
Ignition CDI
Engine Oil SJ-5W/40
Overall Size (L x W x H) 71.3" x 28.9" x 43.3" (1810 x 735 x 1100 mm)
Wheelbase 49.8" (1265 mm)
Seat Height 33.5" (850 mm)
Ground Clearance 13" (330 mm)
Fuel Capacity 4.5 L / 1.2 Gal.
Front Tire 70/100-17 Knobby
Rear Tire 90/100-14 Knobby
Wheels Steel 1.6 x 17" / 1.85 x 14" Rims, DCA Hubs
Frame Twin Girder Steel Tube Frame
Front Fork Inverted 45x48-735mm, Non-Adjustable
Rear Shock 310mm Spring Pre-load
Swing-Arm Steel Tube, 14"
Handlebar Steel Crossbar, L=720mm, Dia=22mm
Front Brake Hydraulic Twin Piston Caliper, 220mm Disc
Rear Brake Hydraulic Single Piston Caliper, 190mm Disc
Exhaust Steel Pipe with Catalyst Converter (EPA Standard)
Headlight LED
Net Weight 172 lbs
Gross Weight 203 lbs
Packing Size 62.6 x 14.8 x 29.9 inches

Manuals & Guides


FAQ

What skill level is the TrailMaster C50 best suited for?

The C50 is best suited for intermediate riders who are comfortable with a manual clutch transmission and want a genuine dirt bike experience. Its 145cc engine and 33.5" seat height make it a great fit for older teens and adults who have outgrown a smaller youth bike but aren't yet ready for a full 250cc machine. Beginners who are committed to learning proper clutch control will also do well on this bike with some practice.

Does the C50 come assembled or does it require assembly?

The C50 ships partially assembled in a crate. Some final assembly is required, including attaching handlebars, mirrors (if applicable), and other components. Most mechanically inclined buyers can complete assembly with basic tools. If you prefer professional assembly, we recommend having a local powersports shop finish the job before your first ride.

How is the C50 shipped?

The TrailMaster C50 ships freight on a pallet due to its size and weight. Delivery is typically curbside, meaning the carrier will bring the pallet to your driveway but not inside your garage or home. Please contact us before purchase if you need inside delivery or lift-gate service, as additional charges may apply.

Is the TrailMaster C50 street legal?

The C50 is not street legal in most U.S. states. It is designed for off-road use on private property, trails, and dirt tracks. While the exhaust meets EPA standards, it does not come equipped with all the lighting and safety equipment required for street registration in most jurisdictions. Always check your local laws before operating on public roads.

What type of fuel does the C50 use?

The C50 runs on regular unleaded gasoline with a minimum octane rating of 87. The fuel tank holds 1.2 gallons (4.5 liters). Always use fresh fuel and avoid fuel with high ethanol content (above E10) to protect the carburetor and fuel system.

What is the top speed of the C50?

The TrailMaster C50 has a top speed of approximately 55 MPH under ideal conditions. Actual top speed may vary based on rider weight, terrain, altitude, and fuel quality.

Product specifications table
Specification name Specification Value
Fuel supply Gasoline
Transmission type Manual
Vehicle features Headlights

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