Description
Fatfish Biggie 20AH Fat Tyre E-Bike | Built for Legends. Made for Adventure.
Whether you are crushing your daily city commute or tearing up off-road terrain, the Fatfish Biggie has your back with top-tier components and serious performance. This is not just an e-bike—it’s an investment in next-level riding.
Key Performance Features Fatfish Biggie 20AH Fat Tyre E-Bike
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Power-Packed Hub Motor: Rocking a Fatfish 48V 500W High-Torque Rear Motor. It comes restricted to 250W by default to comply with local road regulations, but can be unlocked up to 750W for off-road use, unleashing raw peak outputs of up to 1080W.
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Massive Samsung-Cell Battery: The high-capacity 960Wh (48V 20Ah) battery uses premium Samsung cells to offer exceptional range—up to 100 km+ on a single charge in Eco Mode. Built with superior weatherproofing and an added safety strap, your battery stays secure no matter how bumpy the path gets.
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Next-Level Stopping Power: Equipped with Kamros hydraulic disc brakes featuring a built-in motor safety cut-off. Stop safely on a dime, even in wet, muddy, or unpredictable conditions.
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All-Terrain Comfort: Features puncture-resistant 20” x 4.0” fat tyres mounted on ultra-durable, one-piece alloy BK rims. Combined with a 60mm front suspension fork (complete with an adjustable lockout function), it completely soaks up shocks on harsh terrains.
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Shimano 7-Speed Precision: A Shimano Tourney derailleur and a 14-28T cassette give you crisp, reliable shifting to tackle steep inclines and high-speed flats like a pro.
Smart Design & Utility
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City-Proof Controls: A center-mounted C900 LCD console keeps you fully informed on your speed, trip distance, battery life, and 5 levels of pedal assist. The handlebar setup features a separate control panel for the integrated horn, headlight, tail lights, and turn signals, alongside a built-in USB port to charge your devices on the go.
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Heavy Duty Cargo-Ready Frame: Built on a lightweight yet sturdy marine-grade aluminum alloy frame capable of carrying a massive maximum load of 160 kg. It comes ready with a reinforced, MIK-ready rear rack to slide your bags, groceries, or gear on and off effortlessly.
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Sleek & Low-Maintenance: Features clean, internal cable management to keep things tidy. All components utilize marine-rated waterproof cables and plugs, making future servicing or quick replacements a breeze
Meet the Fatfish Biggie, the ultimate ride for those who want power, style, and endurance in one beast of an e-bike. Whether you’re tearing up the streets or cruising to your next adventure, the Biggie’s got your back with top-tier components and serious performance.
Power-Packed Performance— Rocking a Fatfish 48V 500W High Torque Rear Motor, which can be unlocked to 750W and delivers a peak output of 1080W.
Massive Range—A 960Wh Samsung-cell battery gives you up to 200 km in Eco Mode, so your ride lasts longer than your playlist. Plus, it’s built with superior weatherproofing and comes with a safety strap for your battery.
Shimano 7-Speed Precision—The Shimano Tourney derailleur & 14-28T cassette ensure crisp, reliable shifting so you can handle any terrain like a pro.
Next-Level Stopping Power—Kamros hydraulic disc brakes with motor cut-off mean you’re always in control, no matter the conditions.
Smooth Suspension—A 60mm front fork with adjustable lockout soaks up bumps for a cushy ride.
Tough & Ready—Built on a lightweight yet sturdy aluminium alloy frame, featuring marine-rated cables for easy servicing.
Commuter & Adventure-Ready—Puncture-resistant 20” x 4.0” tyres on one-piece alloy rims give you the perfect mix of grip and durability.
Smart Display & Controls— The centre-mounted C900 LCD shows speed, trip info, battery life, and more. The built-in horn, turn signals, and USB charging make it city-proof.
Cargo-Friendly— A MIK-ready reinforced rear rack lets you slide cargo on and off effortlessly.
Max Load? No worries. – Carry up to 160 kg, including gear, groceries, or whatever else you need.
With a 3-year frame warranty, 2 years on battery and motor, and 1 year on all other components, the Biggie isn’t just an e-bike—it’s an investment in next-level riding.
Time to roll in style. Jump on a Biggie and make every ride legendary.

SPECIFICATIONS: Fatfish Biggie 20AH Fat Tyre E-Bike
| BATTERY | 48v 20Ah 960 Watts, Samsung Cells. Superior Weatherproofing. |
| FRAME | Aluminium Alloy, Rear Mounted Kickstand. |
| DISPLAY | Centre-Mounted C900 LCD Console with 5 Level Pedal Assist |
| BRAKES | Kamros Hydraulic Disc Brakes (Motor Safety Cut-off) |
| FORK | 60mm Front Suspension, Strong 34mm Stanchion Lockout Function |
| SENSOR | Dual Hall 24 Induction Magnets Cadence Sensor |
| CABLES | Marine-rated Cables and Plugs on All Components for Simple and Quick Servicing/Replacement |
| SEAT | Custom Vintage Black Matte Dual Seat |
| FENDERS | Matte Black, Polypropelene Wide-Guards with Heavy Duty Stays (Front & Rear). |
| HORN | Control Panel on Handlebar with Horn Button. |
| MAX LOAD | 160kg |
| WARRANTY | Battery 2 years, Motor 2 years, Frame 3 years, and All Other Components 1 Year. |
| TYRES | 20×4.0″ Puncture Resistant Fat Tyre |
| RIMS | 20 x 4.0 Strong Alloy BK One-Piece Rim |
| MOTOR | Fatfish Custom Tuned 48V 250W High Torque Motor. |
| GEAR | Shimano 7-speed 14-28T Cassette with Shimano Shifter |
| DERAILLEUR | Shimano |
| CHARGER | 48 Volt | Output 48v 2A |
| SPEED | 25km/h |
| RACK | MIK Ready Rear Rack |
| RANGE | Power Mode: 30-40km | Normal Mode: Up to 80km+| Eco Mode: Up to 100km+ |
| LIGHTS | All Powered by Main Battery via Control Panel with Buttons for Headlight and Taillight with Left, and Right Turn Signals. |
| HANDLEBAR | Aluminium, 680mm Width |
| IN THE BOX | Fatfish Biggie, Battery Charger, 2 Keys for the Battery, Bottle Cage, Front & Rear Light, and MIK Ready Rear Rack. |








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