TrailMaster LK125 Pro Series Dirt Bike - Electric Start, 4-Speed Manual, Dual Disc Brakes
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TrailMaster LK125 Pro Series Dirt Bike - Electric Start, 4-Speed Manual, Dual Disc Brakes
Description
The TrailMaster LK125 Pro Series Dirt Bike is built for off-road enthusiasts who demand real performance without sacrificing reliability. Powered by a Zhongshen 125cc single-cylinder, 4-stroke, air-cooled engine, this bike delivers a broad, even power band ideal for riders who want genuine motocross capability in a mid-size package. At just 172 lbs and with a 32" seat height, it fits a wide range of riders comfortably while remaining nimble on the trail.
The Pro Series designation means this bike comes loaded with premium components from the factory - inverted front forks, nitrogen gas rear shock with aluminum linkage, alloy rims and hubs, foldable alloy handle levers, and a performance stainless steel muffler. The 4-speed manual transmission paired with dual disc brakes front and rear gives riders the precise control needed to tackle varied terrain with confidence.
Key Features
- Zhongshen 125cc Engine: Single-cylinder, 4-stroke, air-cooled engine with 123.67ml displacement and a 9.0:1 compression ratio for reliable, punchy power.
- Electric Start + Kick Start: Dual starting options make getting on the trail fast and easy - no struggling with a cold engine on the trail.
- 4-Speed Manual Transmission: Non-circulate gear system with chain drive gives riders full control over power delivery in every condition.
- Dual Disc Brakes: Front and rear disc brakes provide consistent, fade-resistant stopping power on all terrain types.
- Inverted Front Fork: Pro-Series inverted front shock absorber delivers improved handling, reduced unsprung weight, and a smoother ride over rough terrain.
- Nitrogen Gas Rear Shock: Alloy U&D connector rear shock with nitrogen air gas fill delivers controlled suspension action on technical trails.
- Alloy 17/14 Rims & Hubs: Lightweight alloy wheels with YUANXING tires (70/100-17 front, 90/100-14 rear) sized for optimal motocross handling.
- CDI Electronic Ignition: Ensures smooth power delivery across all gears and reliable starts in varying conditions.
- 32" Seat Height / 172 lb Curb Weight: A mid-size profile that fits growing riders and adults looking for a nimble, manageable off-road bike.
- Stainless Steel Performance Exhaust: Performance muffler improves exhaust flow and adds an aggressive look and sound to match the bike's motocross styling.
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 LK125 Pro Series Dirt Bike
Why You'll Love It
The LK125 Pro Series is the kind of bike that earns its keep every ride - whether you're a first-time dirt bike owner stepping up to a quality machine or a seasoned trail rider looking for a dependable 125cc workhorse. TrailMaster has built a strong reputation for delivering feature-packed powersports vehicles that hold up under real use, and the LK125 is no exception. The Pro Series upgrades - inverted forks, nitrogen shocks, stainless exhaust, and alloy hardware throughout - are the kind of components you'd expect at a much higher price point. Available in four bold colors, it's a bike that performs as well as it looks. For riders who want true motocross ergonomics, responsive braking, and a smooth-revving 125cc engine in one package, the LK125 Pro Series delivers on every front.
Product Specifications
View Product Specs
| Engine Type | Zhongshen 125 Single cylinder, four stroke, air-cooling |
|---|---|
| Displacement | 123.67 ml |
| Max Power | 6.3 kW / 7500 RPM |
| Max Torque | 8.8 Nm / 5500 RPM |
| Compression Ratio | 9.0:1 |
| Shift Type | Four gear, non-circulate gear |
| Start Type | Electric / Kick Start |
| Ignition | CDI |
| Transmission | Chain Drive |
| Lubricant Type | SF 15W/40 |
| Overall Size (L x W x H) | 1780 x 740 x 1100 mm / 69.42 x 28.86 x 42.9 in |
| Wheelbase | 1210 mm / 47.67 in |
| Seat Height | 835 mm / 32.89 in |
| Ground Clearance | 340 mm / 13.39 in |
| Fuel Capacity | 6 L / 1.56 gal |
| Wheels | Alloy 17/14 Rims, Alloy Hubs |
| Tires | YUANXING FT: 70/100-17 / RR: 90/100-14 |
| Frame | High quality Steel Frame |
| Front Fork | Inverted, non-adjustable |
| Rear Shock | Alloy U&D connector, non-adjustable |
| Triple Clamps | Alloy |
| Handle | Alloy and Foldable |
| Front Brake | Disc |
| Rear Brake | Disc |
| Exhaust | Stainless Steel |
| Minimum Turning Radius | 1900 mm |
| Net Weight | 78 kg / 171.6 lbs |
| Gross Weight | 103 kg / 226.6 lbs |
| Packing Size | 1370 x 440 x 660 mm / 53.43 x 17.16 x 25.74 in |
FAQ
Is the LK125 Pro Series good for beginners?
The LK125 Pro Series is best suited for riders with some off-road experience due to its 4-speed manual transmission. However, its manageable 125cc engine, 32" seat height, and lightweight 172 lb frame make it approachable for motivated beginners who are ready to learn proper clutch and gear control. Younger or newer riders may benefit from some supervised practice sessions before hitting technical trails.
What is the difference between the Electric Start and Kick Start?
The LK125 Pro Series includes both an electric start and a kick start. The electric start lets you fire up the engine with the push of a button - convenient and fast, especially in cold conditions. The kick start is a backup option if the battery is low or depleted. Having both means you're never stranded on the trail.
Does this bike require assembly?
The LK125 arrives partially assembled and packaged on a pallet. Some assembly is required, including attaching the handlebars, mirrors, and front wheel. Basic mechanical tools and some mechanical familiarity are recommended. If you're not comfortable with assembly, a local powersports shop can typically complete the setup for a reasonable fee.
How is this bike shipped?
The TrailMaster LK125 is shipped freight on a pallet due to its size and weight (packed weight approximately 227 lbs). A freight carrier will deliver the pallet to your address. Liftgate service or curbside delivery options may vary by carrier - contact us at service@omahasportsandgames.com for specific shipping details or to get a delivery quote before ordering.
What fuel type does the LK125 use?
The LK125 runs on standard unleaded gasoline. The fuel tank holds 6 liters (approximately 1.56 gallons). Always use the correct oil grade (SF 15W/40) for the engine and follow the break-in procedure outlined in the owner's manual before running the engine at full throttle.
Is this bike street legal?
No, the TrailMaster LK125 Pro Series is designed for off-road use only. It is not street legal and should only be ridden on private property, off-road trails, or designated riding areas. Always check local laws and regulations regarding where off-road vehicles may be operated in your area.
| Specification name | Specification Value |
|---|---|
| Fuel supply | Gasoline |
| Transmission type | Manual |
| Vehicle features | Headlights |