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Woosh Rio FB (Fatboy)

8-speed, hydraulic brakes front and rear, high capacity battery, hi-speed hub motor, 24kgs.
New shape 18" diamond frame, adjustable riding position, 40-45 miles on flat roads with 13AH battery.
The new Woosh Rio FatBoy is just as comfortable on road and off-road.
Colour: Black/Red matt
Sold and delivered boxed.

Optional pre-delivery inspection and assembly + £45.00 inc VAT.

Colour: Black/Red matt

Only £1029 with 13AH battery - saddle height range 93 - 115 cms and max weight 18 stone
Only £1089 with 15AH battery - saddle height range 93 - 115 cms and max weight 18 stone
Only £1169 with 17AH battery - saddle height range 93 - 115 cms and max weight 18 stone

The Rio FB is best if:
You live on a farm
You need a beefy motor, like the Bafang G06
You are over 5ft6.

Characteristics Rio FB
Frame size 46cm 18"
Wheel size 26"
Tyres 26.0 x 3.0 in fat tyres
Kenda K1016 Kiniption tyres
Gears 8-speed
Acera 11T-34T
Quick release Front
Throttle Left Thumb Throttle
Dual controls
Pedal assist and thumb throttle.
To turn on the electrics, press the middle button labelled M to the left of the LCD display on the left handlebar.
There are 5 level of assistance, 1 provides the least assistance, 5 the highest.
Press the up and down button to select the desired level.
The 8 gears are controlled by your right thumb.
As well as pedal assist, the Fat Boy has a throttle on the left. Start pedalling or push on the throttle's lever, the motor will kick in and the bike will woosh you along nicely - the motor is very quiet.
You can go up more or less any hill.
The bike is also very pleasant to pedal with no power.
This bike has been given an EN15194 certificate.
Maximum speed is 15mph and computer controlled.

The 8-speed Rio FB has quick release on the front wheel.

The frame drawing: Link
Overall size: 180.4cm x 101.4cm
Frame size: 46cm (18 inches) alloy frame
Saddle height: 82cm-105cm
Handlebars: 68cm overall
Tyres: 26in x 3.0in
Weight with battery: 24kgs

- Battery mounted on the downtube for better weight distribution and handling.
- Powerful Bafang G06 special motor for fat bikes with larger magnet core for more torque.
- Controller neatly integrated inside the battery cradle.


Picture gallery

Main features

  • delivered 85% built, ride away in minutes
  • all important components are from the best top brands: Kenda, Ounce, Promax, RST, Shimano
  • all important bolts, nuts, spokes are made of stainless steel
  • fully accessorized: lights, bell, horn, reflector, mudguards, rack, chainguard, propstand
  • 5 levels of pedal assist, easy full speed twist throttle for safe start at traffic lights
  • Lishui 17A controller
  • 36V 13AH/15AH/17AH Lithium ion battery
  • 24kgs – light enough to ride without power.


  • 36Volts 13AH or 15AH or 17AH Lithium battery
  • Dual control: pedal assist and twist grip throttle
  • range: 40-45 miles with 13AH battery on flat roads with throttle control, more with pedal assist
  • 18″ frame, 26″ wheels, suitable for average to tall riders (5′ 6″ and above)
  • Aluminum frame
  • Motor: high torque Bafang G06 motor rated 250W
  • Brakes: front and rear hydraulic disc brakes
  • Saddle: Velo comfort style
  • Battery charger for UK mains
  • Weight (including all accessories): 24kgs
  • bell and lights
  • Guarantee: 1 year parts and labour, excluding consumables

Other features

  • no need for tax, insurance or DVLA registration
  • clean energy, costs less than 0.1p per mile
  • UK and European compliant
  • for riders 14+, over 5ft6


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