Powering off the line, speeding down straights, and leaning through curves and turns, a unique harmony develops between a bike and its rider. The two intuitively become one. Despite its power, the two wheeler feels light and nimble as it reacts instantly to your cues — as if it's simply an extension of you.

That's also how it feels to drive Losi Promoto RC bikes.

The Losi Promoto-MX was the first RC dirt bike to accurately reproduce the full experience and pure fun of riding a real motorcycle. Now, for on road RC and motorcycle fans, Losi presents the Promoto-SM — the most authentic supermoto experience ever offered in a radio control bike.

The Promoto-SM is particularly well suited for concrete, asphalt, blacktop, and other hard surfaces found at neighbourhood streets, local parks, and parking lots. Key differences from the Promoto-MX include new Pro-Line Racing OE (Original Equipment) SM street tyres on smaller wheels, a more powerful front brake caliper, and revised lean bar wheels. The Promoto-SM can lean farther than its dirt bike counterpart, and the lean bar tyres decrease noise and offer better traction on hard surfaces.

The Losi Promoto-SM also looks like a true supermoto bike. Its distinctive visual details include hand guards, shortened front fender, and officially licensed FXR graphics and rider gear.

What the Promoto-SM shares with the breakthrough Promoto-MX is an innovative blend of mechanical and electronic technology that work together to provide a realistic experience that no other RC bike can touch. The electronics include a 2700Kv motor and steel flywheel that are both mounted in the centre of the frame. The motor spins the flywheel at over 22,000 rpm to create a gyroscopic force for unparalleled stability. Patent pending Spektrum MS6X technology takes your input from the Spektrum DX3PM transmitter and commands the Promoto-SM to lean, turn, and wheelie with unprecedented balance and finesse.

The mechanical technology is equally impressive. Losi's product development team studied full size motorcycle suspension geometry to give Promoto RC bikes the same terrain handling characteristics. A rising rate rear suspension provides superior grip and prevents bottoming out in landings. Their completely new front fork design, with an internal spring and dampener, can be tuned by changing the silicone dampening fluid and also allows ride height adjustments. An innovative front and rear wheel braking system adds impressive stopping power, cutting the stopping distance in half compared to rear brake only.

Both technologies, electronic and mechanical, are why the Promoto platform performs better at high and low speeds than any previous RC motorcycle. Now, with the Losi Promoto-SM, there's an RC bike that really works — with tarmac ready performance and style!

The Losi Promoto-SM comes fully assembled, with a high quality Spektrum Smart radio system included and on board electronics already installed. Even AA transmitter batteries are supplied.

 

Features

Officially licensed FXR graphics

Patent pending Spektrum MS6X technology

Frame integrated, high RPM flywheel

Rising rate rear suspension

Powerful brushless system with 40+ mph speeds

Dirt, Street, and Wheelie Control drive modes

Collapsible front crash structure

Realistic rider figure with authentic riding gear

Functional, cable driven front disc brake

Chain drive with dual disc performance slipper clutch

Hands free starting stand included

Keyed bike stand included

 

Electronics included

Transmitter (Spektrum DX3PM Smart DSMR)

Receiver (Spektrum 6-Channel DSMR Promoto Receiver)

Steering Servo (Spektrum S620PM Metal Gear Servo)

Front Brake Servo (Spektrum SX108PM Micro Servo)

Motor (Spektrum Firma 3652 3800Kv 4-Pole Brushless Motor)

Flywheel Assembly (Spektrum Motorcycle Stator & ESC Assembly / Spektrum Motorcycle Flywheel Assembly)

Electronic Speed Control (Spektrum Firma 85A Brushless Smart Motorcycle ESC)

Battery (Spektrum 5000mAh 2S 7.4V Smart G2 50C LiPo Battery with IC5 Connector)

Charger (Spektrum Smart S120 USB-C Charger, 1x20W) with IC3 / IC5 adapter)

 

 

What's in the box?

Losi Promoto-SM 1/4 Supermoto Motorcycle RTR FXR

Spektrum Smart DX3PM Transmitter

(4) AA Transmitter Batteries

Spektrum 5000mAh 2S 7.4V Smart G2 50C LiPo Battery with IC5 Connector

IC5 Device to IC3 Battery Adapter

Spektrum Smart S120 USB-C Charger, 1x20W

Bike Stand

Starting Stand 

Product Manual 

Quick Start Guide

Chain Lube

Tuning Parts

Fork and Shock Tools

SKU LOS-2310
Brand Losi

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