Fatfish Biggie Electric Bike
Big Power. Big Comfort. Big Adelaide Energy.
Built for the Streets of Adelaide (and Everything Beyond)
Meet the Fatfish Biggie – a bold, confidence-inspiring e-bike made for riders who want comfort, carrying capacity, and effortless power when cruising Adelaide’s streets. From beachside runs along the Esplanade to daily commutes through the CBD, the Biggie is all about relaxed riding with serious capability.
With its wide 20” x 4.0” tyres, upright riding position and ultra-stable handling, the Biggie soaks up rough roads, tram tracks, bike paths and backstreets with ease. Add in a huge 960Wh Samsung-cell battery, smooth hydraulic brakes and a reinforced MIK-ready rack, and you’ve got an e-bike that’s just as happy hauling groceries as it is cruising to your next coffee stop.
Key Highlights
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High-Torque 48V Rear Motor (250W)
Strong, smooth assistance for Adelaide’s hills, headwinds and stop-start traffic. -
Massive 960Wh Samsung Battery
Up to 100km range* with excellent weatherproofing and added safety strap. -
Fat Tyre Confidence
Puncture-resistant 20” x 4.0” tyres deliver unbeatable grip, comfort and stability on urban roads and shared paths. -
Hydraulic Disc Brakes with Motor Cut-Off
Powerful, controlled stopping even when fully loaded. -
Cargo & Commuter Ready
Reinforced MIK-ready rear rack, integrated lights, horn, and USB charging make it ideal for everyday Adelaide riding. -
Built Tough
Aluminium alloy frame with marine-rated cables for long-term reliability and easy servicing.
Full Specifications
| Component | Specification |
|---|---|
| Motor | Fatfish 48V 250W High-Torque Rear Hub Motor |
| Battery | 960Wh (48V 20Ah) Samsung cells, removable, weatherproof |
| Range | Up to 100km* |
| Drivetrain | Shimano 7-speed |
| Rear Derailleur | Shimano Tourney TY long cage |
| Cassette | 14–28T |
| Brakes | Tektro hydraulic disc brakes with motor cut-off |
| Sensor | Cadence sensor – Dual Hall 24-magnet system |
| Suspension | 60mm front fork with dual spring compression |
| Tyres | 20” x 4.0” puncture-resistant fat tyres |
| Rims | Strong alloy one-piece rims |
| Display | Centre-mounted C900 LCD (speed, range, trip, assist level, clock) |
| Handlebar | 680mm wide alloy bar, raised for comfort |
| Frame | Aluminium alloy, matte black, wide guards front & rear |
| Rear Rack | Reinforced, MIK-ready with carrier plate |
| Lights | LED front & rear powered by main battery |
| Extras | Built-in horn, USB charging port, bottle cage |
| Charger | 48V, 2A |
| Top Speed | 25 km/h |
| Bike Weight | 35 kg (including battery) |
| Max Load | 160 kg system weight |
| Carrying Capacity | Up to 125 kg including cargo |
Why We Love It for Adelaide
The Fatfish Biggie is a brilliant match for Adelaide riders who want comfort, stability and practicality without sacrificing style. It’s easy to ride, forgiving on rough surfaces, and incredibly versatile – perfect for beach runs, city commuting, school drop-offs or simply cruising with confidence.
Warranty & Peace of Mind
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3-Year Frame Warranty
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2-Year Battery Warranty
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2-Year Motor Warranty
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1-Year Warranty on All Other Components
Range is a guide only and will vary depending on rider weight, terrain, assist level and riding conditions. Specifications are subject to change without notice. Come chat with our team to see if the Biggie is the right fit for your riding needs.
