Cyrusher Rumble Step-Thru Fat Tire E-Bike 500 W 48 V 18 Ah
500 W Rear Hub Motor | 65 Nm Torque | 48 V 18 Ah Battery | 20×4.0" Fat Tires | Hydraulic Brakes | 94 km Range
The Cyrusher Rumble brings balance, comfort, and confidence to every ride. Its accessible step-through frame and fat 20×4" tyres make it perfect for first-time riders and everyday commuters alike. Smooth and stable on both streets and trails, the Rumble redefines what effortless riding feels like.
Power You Can Trust
A 500 W rear hub motor delivers 65 Nm of torque for reliable assistance on climbs and quick starts, with a top speed of 22 mph.
Go the Distance
The 48 V 18 Ah battery powers up to 94 km per charge, perfect for extended commutes or weekend leisure rides.
Comfort Meets Control
The SR front fork suspension and fat tyres combine to absorb bumps and vibrations, keeping your ride smooth and steady.
Hydraulic Precision
Tektro 180 mm hydraulic brakes provide confident stopping power in all weather conditions.
Designed for Accessibility
Its step-through frame makes mounting and dismounting effortless — ideal for riders of all ages and abilities.
Everyday Ready
Ergonomic grips, a comfort saddle, and puncture-resistant tyres make the Rumble a dependable partner for your daily journeys.
| Motor | 500 W Rear Hub | Torque | 65 Nm |
| Battery | 48 V 18 Ah Lithium-ion | Range | Up to 94 km |
| Speed | 22 mph (US) / 25 km/h (EU) | Frame | 6061 Aluminium Step-Through |
| Suspension | Front Fork + Fat Tire Cushion | Tires | Chaoyang 20×4.0 Fat Tires |
| Brakes | Tektro Hydraulic Disc 180 mm | Gearing | Shimano 7-Speed |
| Display | 3.5" LCD Display | Weight | 31.9 kg (70.3 lb) |
| Payload | 150 kg | Charge Time | 6–7 hours |
| Rider Height | 155 – 190 cm | Assist Mode | 5-Level Pedal Assist |
Size & Fit Guide
Frame Type: Low Step-Through Aluminium Frame
Rider Height: 155 – 190 cm
Seat: Comfort saddle with ergonomic shaping
Suspension: Front fork with fat tyre cushioning
Brakes: Hydraulic 180 mm Discs
Tires: 20×4.0 Chaoyang puncture-resistant fat tyres
Ideal For: Urban commuters, casual explorers, and first-time e-bike riders
| Model | Rumble | Sonder | Scout |
|---|---|---|---|
| Motor | 500 W | 250 W | 1000 W |
| Battery | 48 V 18 Ah | 48 V 10 Ah | 52 V 20 Ah |
| Range | 94 km | 85 km | 90 km |
| Frame | Step-Through | Folding | Moped-Style |
Is the Cyrusher Rumble legal in Europe and the UK?
Yes. The Cyrusher Rumble meets EU/UK Class 1 e-bike standards when operated in restricted mode:
1) Maximum Speed: 25 km/h (software limited).
2) Maximum Power: 250 W (assist mode for public roads).
Certifications: CE & UKCA approved.
Warranty: Frame 2 Years | Parts 1 Year | Battery 1 Year