TrailMaster SX125 Pro Series Dirt Bike, Electric Start, 4-Speed Manual, Dual Disc Brakes, (19/16) Wheels
The TrailMaster SX125 Pro Series is a premium mid-size dirt bike built for riders who want serious off-road performance without stepping into a full-size motocross machine. Powered by a reliable Zongshen 125cc 4-stroke engine, the SX125 delivers smooth power through a 4-speed manual transmission and features both electric and kick start for dependable starting in any condition.
Designed with race-inspired styling and upgraded Pro Series components, this bike features a high-performance inverted front fork, nitrogen-charged rear shock, front and rear hydraulic disc brakes, reinforced alloy wheels, and aggressive 19"/16" off-road tires. The lightweight chassis, 32.7-inch seat height, and durable steel frame make it an excellent choice for youth riders, teens, and adults looking for a capable trail and pit bike.
Performance Specs:
- Engine: Zongshen BS125, Single-Cylinder, 4-Stroke, Air-Cooled
- Displacement: 123.67cc
- Maximum Power: 6.3 HP @ 7,500 RPM
- Maximum Torque: 8.8 Nm @ 5,500 RPM
- Compression Ratio: 9.0:1
- Transmission: 4-Speed Manual (Non-Circulating)
- Drive System: Chain Drive
- Starting System: Electric Start & Kick Start
- Ignition: CDI
- Fuel Capacity: 1.56 Gallons (6 Liters)
- Front Tire: 70/100-19 Yuanxing
- Rear Tire: 90/100-16 Yuanxing
- Wheels: Reinforced Alloy Rims & Alloy Hubs
- Front Suspension: Inverted Hydraulic Fork (Non-Adjustable)
- Rear Suspension: Nitrogen Gas Shock with Alloy Linkage
- Front Brake: Hydraulic Disc
- Rear Brake: Hydraulic Disc
- Frame: High-Strength Steel Frame
- Handlebar: Alloy
- Triple Clamps: Alloy
- Brake/Clutch Levers: Alloy Foldable Design
- Exhaust: Performance Stainless Steel Muffler
- Overall Dimensions: 71.3" L x 29.2" W x 43.3" H
- Wheelbase: 49.3"
- Seat Height: 32.7"
- Ground Clearance: 13.4"
- Dry Weight: 189lbs
- Shipping Weight: 238lbs
- Minimum Turning Radius: 74.8" (1900mm)
- Recommended Oil: SF 15W-40
- Available Colors: Red, Blue, Green
Key Features:
- Reliable Zongshen 125cc 4-Stroke Engine
- Electric & Kick Start
- 4-Speed Manual Transmission
- Inverted Front Suspension
- Nitrogen-Charged Rear Shock
- Front & Rear Hydraulic Disc Brakes
- Reinforced Alloy Wheels
- Foldable Alloy Levers
- Stainless Steel Performance Exhaust
- 19" Front / 16" Rear Off-Road Tires
- Lightweight 189 lb Chassis
- Pro Series Race-Inspired Design