Cyrusher Rumble Step-Thru Electric Bike
Cyrusher Rumble Step-Thru Electric Bike - White is backordered and will ship as soon as it is back in stock.
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Description
Description
Cyrusher Rumble Step-Thru Electric Bike: The Ultimate Ride for Comfort and Performance
Discover the perfect blend of style, comfort, and power with the Cyrusher Rumble Step-Thru Electric Bike. Designed for riders of all ages and abilities, this versatile step-through electric bike delivers a reliable ride on city streets, bike paths, and off-road riding on gravel roads and trails. With its fat tyres and powerful motor, it stands out as one of the best fat tire e-bikes for those seeking both performance and comfort.
Comfortable and Versatile Riding Experience
Equipped with Shimano Cues 7-speed gears and a powerful 250W mid-drive motor featuring a precise torque sensor, the Cyrusher Rumble offers smooth pedal assist and motor assistance to tackle steep hills and extend your ride range. The intelligent speed management system allows riders to unlock higher speeds by following included instructions, making it an ideal choice for those seeking a high-performance e-bike with customisable power levels. The cadence sensor ensures natural and responsive motor assistance, enhancing your overall ride quality.
Superior Suspension for a Relaxed and Easy Ride
The dual-shock suspension seatpost combined with a front suspension fork absorbs bumps and shocks across varied terrain, ensuring a comfortable ride whether you're cruising urban streets or tackling rough gravel paths. This full suspension setup is perfect for leisurely rides and off-road adventures alike.
Reliable Hydraulic Brakes for Safety and Control
Featuring 180 mm hydraulic disc brakes on both front and rear wheels, this bike provides quiet and powerful stopping power even on wet or slippery surfaces, giving you safe and controlled braking in all conditions.
Fat Tyres for Enhanced Traction and Stability
The Cyrusher Rumble comes with 20" x 4" puncture-resistant Chaoyang fat tyres, delivering excellent grip and stability on gravel, icy roads, and flat highways. These fat tyres make it one of the best fat tire e-bikes suited for all-terrain adventures and urban commuting alike.
Integrated Safety Features and Practical Design
Built-in integrated turn signals, rear turn signals, and rear lights increase visibility and alert other road users, ensuring safety during urban commuting and off-road riding. The carbon fork frame includes an integrated rear rack and is compatible with additional bike racks, combining style and practicality. This versatile e-bike is perfect for carrying cargo or groceries with ease.
Powerful Motor and Long-Range Battery
Powered by a 250W gearbox hub motor, this step-through electric bike offers smooth pedal assistance and motor assistance to conquer steep hills effortlessly. The 48V 18Ah torque battery provides up to 58 miles of range on a single charge, making it a great bike for daily errands, long-distance rides, and an excellent replacement for your non-electric bike. Replacement batteries are available to extend your riding adventures even further.
Thoughtful Design with Practical Features
The compact frame, adjustable seat, upright riding position, and step-through design make mounting and dismounting easy, perfect for urban commuters, cargo bike users, and adventure seekers alike. The belt drive adds to the bike’s durability and low maintenance needs. With integrated lights and rear turn signals, this bike offers excellent ride quality and safety in the expanding e-bike market.
Upgrade your ride with the Cyrusher Rumble Step-Thru Electric Bike—featuring high-quality components, many of the best electronic components, and versatile bike features that deliver a comfortable ride and reliable ride quality, whether on city streets, bike paths, or rough terrain.
Size & Fit
Specification | Measurement |
Achieve | 17.7'' (45 cm) |
Standover Height | 41 cm |
Wheelbase | 47'' (120 cm) |
Overall Length | 27.2'' (69 cm) |
Minimum Saddle Height | 33.5'' (85 cm) |
Maximum Saddle Height | 43''/110cm |
Height of the Driver | 5'1" ~ 6'2" (155 cm ~ 190 cm) |

Specification | Details |
Battery | 48V 18Ah |
Charger | 48V 3.0A |
Loading Time | 6~7 hours |
Battery Lifespan | 800 cycles |
Speed Class | Up to 25 km/h at PAS level 5 |
Weight | 70.32 lbs (31.9 kg) with battery |
Reach | Up to 58 miles (94 km) |
Engine | 48V 250W 65Nm Brushless Rear Hub Motor |
Payload Capacity | 150 kg |
Tyre | Chaoyang 20" x 4" Puncture Resistant Fat Tyres |
Display | 3.5-inch LCD Display, Colourful Smart Computer |
Brake | Fully hydraulic disc brakes 180 mm front + rear |
Crankset | 170mm Forged 52 Tooth Alloy Double Side Aluminium |
Chain | KMC Stainless Steel Chain |
Transfer | Shimano Tx50-R/M315 shifting system, 7-speed front derailleur |
Shimano RD-TY300-D-ATT, 7-speed | |
Front Suspension | Oil & Spring suspension fork with adjustment |
Frame | 6061 Aluminum alloy with internal battery |
Transmission | Shimano 7-speed |
Stand | 6061 Aluminium Stand |
Rims | Aluminium alloy |
Saddle | Breathable ergonomic sports cushion seat |
Seatpost | 31.9mm / Adjustable Height |
Sensor | Speed sensors |
Spokes | 12-gauge stainless steel |
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