Cyrusher Rumble
The Rumble is a step-through ebike combining ease of use, power, and speed. It features a dynamic 500W geared hub motor, detachable 48V 18Ah battery, and robust 20″×4″ fat tires for outstanding traction and up to 58 miles of range at a 22 mph top speed.
Key Features
- 500W Geared Hub Motor: 65 Nm torque for confident acceleration.
- Detachable 48V 18Ah Battery: Up to 58 mi per charge, quick-swap design.
- 20″×4″ Chaoyang Fat Tires: Puncture-resistant stability on any terrain.
- Shimano 7-Speed Drivetrain: Versatile gearing for city and country roads.
- Cadence Sensor Pedal Assist: 5 levels for natural, responsive support.
- Hydraulic Disc Brakes: 180 mm rotors front and rear for reliable stopping.
- Dual-Shock Seat: Cushioned comfort over bumps.
- Intelligent Speed Management: Locked 22 mph top speed with easy unlock.
- Twist Throttle: Convenient, precise throttle control.
- Ergonomic Grips: Comfortable handling on longer rides.
Performance & Design
The Rumble’s step-through frame and dual-shock seat lower your center of gravity for easy mounting and stable handling. Its fat tires and robust motor deliver smooth, controlled power over gravel, sand, or pavement.
Ideal Rider
Recommended for riders between 5′1″ and 6′2″ who want a flexible, durable ebike for both urban commuting and light off-road adventures.
Specifications
Motor | 500W geared hub (65 Nm) |
Battery | 48V 18Ah Li-Ion, detachable |
Range | Up to 58 mi (93 km) |
Top Speed | 22 mph (35 km/h) |
Frame | Aluminum step-through |
Drivetrain | Shimano 7-Speed |
Sensor | Cadence Sensor |
Tires | Chaoyang 20″×4″ Fat |
Brakes | Hydraulic Disc, 180 mm |
Weight (w/ battery) | 70.32 lbs (31.9 kg) |
Weight (w/o battery) | 60.6 lbs (27.5 kg) |
Payload Capacity | 350 lbs (159 kg) |
Performance Ratings
What's Included in the Box
- Rumble Ebike
- 48V 18Ah Battery & Charger
- Tool Kit & User Manual
Warranty & Support
Frame: 2 years
Parts & Battery: 1 year
Email: support@cyrusher.com
Phone: +1 385 526 3020
Usage & Terrain Compatibility
Ideal for mixed-terrain commuting: city streets, gravel paths, and light trail riding.
Fit & Size Chart
Recommended Rider Height | 5′1″–6′2″ (155–190 cm) |