SUNNYTIMES GT73 PRO Fat Tire Electric Bike.
SUNNYTIMES GT73 PRO High-Torque All-Terrain Fat Tire Electric Bike – Ultra-Capacity 60V 36Ah Lithium Battery, Hydraulic Disc Brakes & Front Suspension (EU / US Free Shipping)
Unleash raw electric power with the SUNNYTIMES GT73 PRO Fat Tire Electric Bike. Engineered for high-voltage performance, urban cruising, and rugged all-terrain utility, the GT73 PRO combines an ultra-high torque 338 Nm rear hub motor with a massive 60V 36Ah down tube lithium-ion battery to tackle severe inclines and heavy-duty routes without breaking a sweat.
Built on a durable steel frame with front suspension fork absorption and 20-inch fat tires, this e-bike glides over sand, snow, gravel, and rough city streets. Stopping power is handled by precision hydraulic disc brakes, ensuring total control and safety at high speeds and under heavy payloads.
🚀 Key High-Performance Features
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338 Nm Ultra-High Torque Output: Extreme rear hub motor output delivers unmatched climbing ability and instant off-the-line acceleration.
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Massive 60V 36Ah Down Tube Battery: Massive energy reserves provide consistent high-voltage delivery and extended riding distance between charges.
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Precision Hydraulic Disc Brakes: Front and rear hydraulic braking systems with premium pads deliver responsive, low-effort stopping power.
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Front Suspension Fork System: Bumps, potholes, and rough trail hazards are absorbed before reaching the handlebars for reduced fatigue.
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20-Inch All-Terrain Fat Tires: Extra-wide contact patch provides exceptional ground traction across snow, sand, loose dirt, and wet asphalt.
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Shimano 7-Speed Drivetrain & LCD Display: Easily switch through 7 mechanical gears while tracking live speed, battery state, and trip data on the handlebar LCD dashboard.
📊 Technical Specifications Matrix
| Specification Parameter | GT73 PRO Performance Specifications |
| Brand / Model | SUNNYTIMES GT73 PRO |
| System Voltage | 60V High-Voltage Architecture |
| Battery Capacity | 36Ah Down Tube Lithium-Ion Battery |
| Motor Torque Output | 338 Nm Peak Torque (Rear Hub Brushless Motor) |
| Braking System | Hydraulic Disc Brakes (Hydraulic Pads) |
| Suspension Type | Front Suspension Fork |
| Tire / Wheel Size | 20" All-Terrain Fat Tires |
| Estimated Range | 31 – 60 km (Dependent on throttle use and assist level) |
| Top Speed | Rated up to 30 km/h |
| Drivetrain / Gears | 7-Speed Gear System |
| Dashboard Display | Smart LCD Digital Meter |
| Frame Material | High-Strength Reinforced Steel |
| Charging Time | 3+ Hours |
⚙️ Operating Instructions & Battery Care
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60V Battery Care: Use only the specified high-voltage charger supplied with the bike. Charge in a dry, temperature-controlled environment.
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Hydraulic Brake Maintenance: Routinely inspect hydraulic lines for pressure consistency and ensure brake pads remain free from oil contamination.
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Fat Tire Pressure Tuning: Adjust tire PSI depending on riding conditions—lower PSI for maximum traction on sand/snow, higher PSI for fast road cruising.
📦 Package Contents
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1 x SUNNYTIMES GT73 PRO Electric Bike
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1 x 60V 36Ah Down Tube Lithium Battery
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1 x High-Voltage Fast Charger
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1 x LCD Dashboard Meter
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1 x Assembly Tool Kit & Owner's Manual
Dominate any terrain with 60V high-torque power. Order today with Free Shipping from our EU and US warehouses! Click Add to Cart to secure yours!
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Item No. gt73
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Motor
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2000W /3000W
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Battery
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48V 36.4A,60v36AH
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Wheel Size
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24 inch Fat tire
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Braking System
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F&R Hydraulic Disc Brakes
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Driving modes
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Thumb throttle & PAS
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Travel Distance
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40-60km by Throttle, 80-120km by PAS
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Display
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LCD display
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Derailleur
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7 Speed (SHIMANO)
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Pedal assist system
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5 levels PAS
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Max Speed
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25/50/73km/h
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Front Fork
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Aluminum hydraulic suspension fork
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Rear suspension
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Double spring suspensions
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Controller
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67.2V 22A Integrated controller
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Light system
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Front & Rear LED light
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Charging Time
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6-8H
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Charger
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110-240v AC 50-60HZ, 48V2A
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Certification
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CE,RoHS
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Color
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Customized color is available
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Packing
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Box + EPE packaging
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Hydraulic Disc Brakes

Details
This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.
Shipping & Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.
We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.















