Last Units Available - Order now

October Shipment - Now Selling

R2021 - Order Now

Order Now 

The R series is our original fun machine. Four colours, the finest battery cells on the market and up to 750 watts of power.

If you're looking for the 750W Motor, you can go to our Shop and select "R2021 - November" that is now available for pre-order.  Shipment at the end of November. 

Weight28 KG
Weight Limit135 KG
Top Speed25km/h (PAS)
Seat Height85cm (front) and 87cm (back).
Passenger FootpegsOptional
GPS BiketrackerOptional
FrameCarbon steel
ForkCarbon steel and Aluminium
HandlebarCarbon steel
Crankset52T Alluminium
PedalsWellgo Alluminium black
ChainStainless silver
FreewheelShimano 7-Speed threaded
Rear-DerailleurShimano ALTUS RDM310
ShifterShimano TX50 7V
MotorBafang 250W rear hub G60
Battery48V, 672Wh (Option: 840Wh) lithium-ion battery
PAS (Pedal Assist Sensor)12 Magnet Cadance Sensor, 5 assistance levels
DisplayBafang DP C171
TiresCST Megatane 20 X 4.0
BrakesMechanical (Option: Hydraulic) disc brakes
SaddleHandmade anti-slip and waterproof seat


Premium Electric Motor

Bafang high performance rear hub motor, in 250w, 500w or 750w power variations. Provides the true freedom feeling, pushing with up to 85nM torque.

Elite Battery System

The best battery cells on the market, with 21700 Tesla sized cells. We tracked down the absolute number one battery for our bikes and we stand by these as the ultimate power supply.

Integrated Display Screen

Crystal clear Bigstone system display that communicates all key info at a glance. Speed, distance, trip info, battery and light status all in one place.


Handcrafted Bench Seat

Non-slip, waterproof bench seat, handmade in Portugal. Inspired by motorcycle seats, with 85 - 87cm ride height depending on rider position front to back.

Classic Angle Handlebars

We found the perfect geometry with the backsweep of our handlebar and the headtube angle of our frame, providing that classic easy cruising feel.

All-Terrain Tires

CST Megatane 20x4 tires for riding on roads, trails and more. With a fat profile to absorb the bumps, big knobbles for optimum grip and a premium rubber compound to make them last.


Custom Cargo Racks

Portuguese made bespoke front and back racks turn the R2021 into a cargo bike. Steel for strength, laser cut logo for style.

System Managed Lights

Super bright front and rear lights that plug into the bike’s brain, with the rear light automatically illuminating when you hit the brakes. Turn the main beam on or off with the handlebar control panel.

Thumb Throttle

No pedalling needed. Hit the thumb throttle and cruise like you’re on a motorcycle.

Frame Components

Drive System

Motor System

Other Specs