Product Detail

The Losi Promoto-SM FXR Supermoto RC Motorcycle delivers the most authentic supermoto experience ever offered in a radio-control bike. Designed for asphalt, concrete, and other hard surfaces, this high-performance machine combines speed, agility, and precision with distinctive styling. The Promoto-SM features Pro-Line Racing street tyres on smaller wheels, an upgraded front brake caliper, and revised lean bar wheels for aggressive leans and enhanced traction. With officially licensed FXR graphics, a realistic rider figure, and hand guards, it offers both performance and scale detail. Utilising an innovative blend of mechanical and electronic technology, the Promoto-SM features a 2700Kv motor and steel flywheel for superior stability. The patent-pending Spektrum MS6X system translates your input into precise leans, turns, and wheelies. The rising rate rear suspension and an advanced front fork system provide exceptional handling, while the front and rear braking system ensures reliable stopping power.

Features

• Officially licensed FXR graphics for authentic supermoto styling
• Patent-pending Spektrum MS6X technology for advanced stability and control
• Frame-integrated high-RPM flywheel for enhanced realism and performance
• Rising rate rear suspension for smooth and responsive handling
• Powerful brushless system with speeds exceeding 64 kph
• Dirt, Street, and Wheelie Control drive modes for versatile performance
• Collapsible front crash structure for impact protection
• Realistic rider figure with authentic FXR riding gear
• Functional cable-driven front disc brake for precise stopping power
• Chain drive with dual-disc slipper clutch for efficient power transfer
• Hands-free starting stand included
• Keyed bike stand for secure storage and display
• Genuine Losi product

Specifications

• Length: 503mm (19.8')
• Width: 259mm (10.2')
• Height: 424mm (16.7')
• Wheelbase: 353mm (13.9')
• Weight: 3540g (129.4 oz)
• Chassis: 3mm Aluminium Plate
• Suspension: Front Fork, Rising Rate Rear Suspension
• Drivetrain: 1WD
• Motor: 540 Brushless 2700Kv
• ESC: Included
• Top Speed: 64 kph (40+ mph)
• Gear Pitch: 32-pitch
• Final Drive Ratio: 12.0:1
• Internal Gear Ratio: 4.8:1
• Brakes: Front - Cable Driven Piston/Caliper/Rotor, Rear - Motor Braking
• Ground Clearance: 57mm (2.2')
• Tyre Compound: 35S
• Tyre Tread: Supermoto S3
• Wheel Width: Front - 28mm (1.1'), Rear - 36.3mm (1.4')
• Inner Tyre/Outer Wheel Diameter: 102.4mm / 103.1mm (4.03' / 4.06')
• Battery: Spektrum 5000mAh 2S 7.4V Smart G2 50C LiPo
• Connector Type: IC5
• Radio: Spektrum Smart DX3PM Transmitter
• Receiver: Included
• Servos: Included
• Charger: Spektrum Smart S120 USB-C Charger 1x20W

Includes

• 1x Losi Promoto-SM 1/4 Supermoto Motorcycle RTR FXR
• 1x Spektrum Smart DX3PM Transmitter
• 4x AA Transmitter Batteries
• 1x Spektrum 5000mAh 2S 7.4V Smart G2 50C LiPo Battery with IC5 Connector
• 1x IC5 Device to IC3 Battery Adapter
• 1x Spektrum Smart S120 USB-C Charger 1x20W
• 1x Bike Stand
• 1x Starting Stand
• 1x Product Manual
• 1x Quick Start Guide
• 1x Chain Lube
• 1x Set of Tuning Parts
• 1x Fork and Shock Tools