Some brands like to claim they are the OG of fat tyre e-bikes.
At Fatfish, we never had to claim it.
We built it.
And now, we’ve taken it further.
That's a fat W.







Fatfish OG 2.0 Fat Tyre E-Bike
Disclaimer: All Products sold by Fatfish Bikes are designed for recreational use. Laws and regulations for their use vary across Australian states and territories. It’s the rider’s responsibility to stay informed about local rules, ride safely, and wear appropriate protective gear, including a helmet. Any guidance or information provided by Fatfish Bikes is general in nature and may not apply to every individual situation.
It is your responsibility to check the applicable local laws relating to your intended use of the vehicle on roads, footpaths, shared paths, bicycle lanes, and bicycle paths.
Please refer to our Terms and Conditions for more information.
Shipping Information
To protect our customers from fraudulent activity, we conduct a quick security check on all orders over $500. In some cases, if we suspect unusual activity, this check may also apply to smaller orders.Orders are only confirmed once the security check is complete. Our team may contact you by email or phone to verify details as part of this process. Delivery timeframes begin after order confirmation, and we will work efficiently to keep your order on track.Thank you for your understanding, as this step helps ensure a safe and secure shopping experience for you.
All orders are dispatched within 3–5 business days from Gold Coast, this is followed by a delivery time frame. Delivery times typically range from 3–5 business days for metro areas and 7–14 business days for rural and remote locations. Excludes WA, NT and remote areas. For Standard Shipping, we offer free delivery on orders over $99, excluding bulky items. Orders under $99 will incur a $9.90 flat shipping fee.
Please note: While every attempt will be made for you to receive your order as per these delivery timeframes, occasional inconsistencies in logistics and stockouts may occur.
We also offer a Click & Collect service, allowing you to order online and conveniently pick up your items in-store at no extra cost. Make sure to collect your order within 7 days from when you're notified that your order is ready.
Please note: While every attempt will be made for your order to be processed as per the delivery timeframes stated, occasional inconsistencies in logistics and stock outs may occur.
For products available for pre-order, please check the ETA provided for stock availability.
The ETA indicates when stock will be ready, not the delivery date. Once stock is available, your order will be processed, and standard shipping times will apply.
$14.00 Express Shipping option is available for non-bulky items, usually arriving next business day in metro areas. Express shipping is not available for e-bikes and for delivery to WA, NT and remote areas.
Please note: While every attempt will be made for you to receive your order as per these delivery timeframes, occasional inconsistencies in logistics and stockouts may occur
Want to test ride the Fatfish OG? Contact or visit one of our stores near you!
Want to test ride the Fatfish Step? Contact or visit one of our stores near you!
Want to test ride the Fatfish Biggie? Contact or visit one of our stockists near you!
Introducing the O nly G of Fat Tyre Ebikes
Fatfish OG 2.0: An Icon; Evolved
After riding the Fatfish OG for thousands of kilometres, listening to every customer review, and pushing through real-world tests, our team knew what was next. We took everything that made the OG legendary and created the only G that matters in fat tyre e-bikes.
Introducing the OG 2.0: twice the attitude, twice the performance, and still the g.
What makes the OG 2.0 different from the OG?
Improved Steering Stability. The OG 2.0 feels more planted and controlled, giving you confidence at any speed.
Lighter, Easier Handling. A shorter wheelbase and refined geometry enhance urban commuting and navigation through tight spaces.
Smoother Ride Quality. The upgraded frame design delivers a more comfortable and responsive experience on every ride.
OG 2.0 vs. Biggie: Which Fat Tyre E-Bike Fits You Best?
OG 2.0: Shorter wheelbase. Quicker handling. Perfect for riders under 175 cm who want an agile, connected ride.
Biggie: Longer wheelbase. Maximum stability. Perfect for riders over 175 cm who want smooth, confident rides.
2 Tough. 2 Sharp. 2 Clean.
OG 2.0: 2 Tough. 2 Sharp. 2 Clean.
OG 2.0 Features
Transmission
Shimano 7 Speed
Fast, Accurate, Indexed Shifting Performance with the 7-speed 14-28T Shimano Derailleur, Cassette, and Shifter.
Motor
Locked at 500W | 750W | 1080W
Fatfish Custom Tuned 48V 500W High Torque Rear Motor
Restricted to 500W by default. Unlocked 750W and Peak Output of 1080W.
Derailleur
Shimano Tourney
The Shimano Tourney TY Long Cage Rear Derailleur Accommodates the Biggie's 14-28T Cassette To Deliver the Wide Range of Gears that Support the Multiple Riding Modes on this Ebike.
Battery
960Watts/ 20Ah
960 Watts, Samsung Cells. Superior Weatherproofing. Up to 100 km on a Single Charge in Eco Mode. Comes with a Battery Strap for Superior Safety.
Brakes
Tektro Hydraulic Disc Brakes
Tektro Hydraulic Disc Brakes, featuring Motor Safety Cut Off.
Sensor
Cadence
Dual Hall 24 Induction Magnets Cadence Sensor.
Suspension
60mm Front Fork
with 34mm Strong Stanchions and Knobs for Adjustment to use the Lockout Function
Warranty
3 Years
on Frame, Battery 2 years, Motor 2 years, and All Other Components 1 Year.
Charger
Input Voltage
48 Volt | Output 48v 2A
Speed
25km/hr
Capped at 25km/hr for Public Use
In the Box
OG 2.0
Battery Charger, 2 Keys for the Battery, Bottle Cage, Front & Rear Light, Built in Horn, operated by Control Panel. USB Charging Mode for Add On Accessories.
Range
Up to 100km
in Eco Mode, 80km in Normal Mode and 40km in Power Mode.
Total 3 modes:
ECO- 0/1/2 Pedal Assist
NOR- 3/4 Pedal Assist
PWR: 5 Pedal Assist
Range is determined by riding conditions, which vary for each user and each ride.
Display
C900 LCD
Centre-Mounted C900 LCD Console with 5 Level Pedal Assist, Intelligent Drive System, Charge Indicator, Speedometer, Odometer, Trip Odometer, Pedal Assist Level, Clock and more
Max Load
160 kg
This is not the Bike Weight. The bike weighs 38kg including the battery
160 Kg is the Total Carrying Capacity of the OG 2.0 including Cargo. No specific weight restriction on Pillion rider; the total weight limit shouldn't be exceeded.
Lights
LED
Headlight and Taillight with Turn Signals Powered by the Main Battery and Operated using the Control Panel positioned on the Handlebar.
Tyres
20 x 4.0"
Tyres & Rims
Puncture-Resistant Tyres and Strong Alloy BK One-Piece Rims, make the Biggie ideal for Commmuting & Adventures.
Frame
Alluminium Alloy
Lightweight yet Sturdy Frame for Longevity, Matte Black, Wide-Guards with Heavy Duty Stays (Front & Rear).
Cables
Marine Rated
Cables and Plugs on All Components for Simple and Quick Servicing and Replacement.
Bigger Frame
+ Better Features
= Badass Biggie
Transmission
Shimano 7 Speed
Fast, Accurate, Indexed Shifting Performance with the 7-speed 14-28T Shimano Derailleur, Cassette, and Shifter.
Motor
Locked at 500W | 750W | 1080W
Fatfish 48V 500W High Torque Rear Motor
Restricted to 500W by default. Unlocked 750W, and Peak Output of 1080W.
Derailleur
Shimano Tourney
The Shimano Tourney TY Long Cage Rear Derailleur
Battery
960Watts/ 20Ah
960 Watts, Samsung Cells. Superior Weatherproofing. Up to 100 km on a Single Charge in Eco Mode. Comes with a Battery Strap for Superior Safety.
Brakes
Tektro Hydraulic Disc Brakes
Tektro Hydraulic Disc Brakes, featuring Motor Safety Cut Off.
Sensor
Cadence
Dual Hall 24 Induction Magnets Cadence Sensor.
Suspension
60mm Front Fork
with 34mm Strong Stanchions and Knobs for Adjustment to use the Lockout Function
Warranty
3 Years
on Frame, Battery 2 years, Motor 2 years, and All Other Components 1 Year.
Charger
Input Voltage
48 Volt | Output 48v 2A
Speed
25km/hr
Capped at 25km/hr for Public Use
In the Box
OG 2.0
Battery Charger, 2 Keys for the Battery, Bottle Cage, Front & Rear Light, and MIK Ready Rear Rack. Built in Horn, operated by Control Panel. USB Charging Mode for Add On Accessories.
Range
Up to 100km
in Eco Mode, 80km in Normal Mode and 40km in Power Mode.
Total 3 modes:
ECO- 0/1/2 Pedal Assist
NOR- 3/4 Pedal Assist
PWR: 5 Pedal Assist
Range is determined by riding conditions, which vary for each user and each ride.
Rear Rack
MIK Ready
Reinforced Rear Rack prefitted with the MIK Carrier Plate, ready for Attachin MIK Product Adaptor for easy cargo sliding on-off.
Display
C900 LCD
Centre-Mounted C900 LCD Console, 5 Level Pedal Assist, Intelligent Drive System, Charge Indicator, Speedometer, Odometer, Trip Odometer, Pedal Assist Level, Clock and more
Max Load
160 kg
This is not the Bike Weight. The bike weights 38kg including the battery
160 Kg is the Total Carrying Capacity of the Biggie including Cargo. No specific weight restriction on Pillion rider; the total weight limit shouldn't be exceeded.
Lights
LED
Headlight and Taillight with Turn Signals Powered by the Main Battery and Operated using the Control Panel positioned on the Handlebar.
Tyres
20 x 4.0"
Tyres & Rims
Puncture-Resistant Tyres and Strong Alloy BK One-Piece Rims.
Frame
Alluminium Alloy
Lightweight yet Sturdy Frame for Longevity, Matte Black, Wide-Guards with Heavy Duty Stays (Front & Rear).
Cables
Marine Rated
Cables and Plugs on All Components for Simple and Quick Servicing and Replacement.
OG 2.0 Dimensions
What do I do if my Fatfish runs out of battery?
Your Fatfish ebike will not become immobile if you run out of battery. You can ride your Fatfish ebike even if you run out of battery! You'll just have to pedal the bike like you would a regular bicycle!