Cyrusher Rumble 2.0 – Step Thru Fat Tire Electric Bike

The Cyrusher Rumble 2.0 is an upgraded step thru fat tire electric bike designed for power, comfort and everyday practicality. With its integrated rear rack, robust 20 inch fat tires and responsive torque sensor system, it delivers confident performance for commuting, running errands and leisure rides. The combination of a high capacity battery, hydraulic disc brakes and accessible frame makes it ideal for riders of all skill levels. Available in Grey, Green and Blue.

Key features

• Step thru 6061 aluminium frame with integrated rear rack for easy mounting and added utility
• 48 V 250 W brushless rear hub motor with 85 N·m torque for efficient power and hill climbing capability
• High capacity 48 V 18 Ah battery with up to 58 miles or 94 km range on a single charge
• Full suspension with front oil and spring fork for comfort on varied terrain
• Fully hydraulic disc brakes with 180 mm rotors front and rear for consistent stopping in all weather
• Chaoyang 20 x 4 inch fat tires for stability and traction across mixed surfaces
• Shimano 7 speed drivetrain for smooth shifting and adaptable gearing
• 3.5 inch LCD colour display for real time ride data and settings
• Integrated LED headlight and brake activated taillight for enhanced safety

Who this bike is for

The Cyrusher Rumble 2.0 is perfect for riders who want a compact yet capable fat tire electric bike for both city and recreational use. It suits commuters who need carrying capacity for daily essentials, leisure riders exploring mixed terrain and those seeking a comfortable, step thru frame for easy access. Its fat tires, torque sensor system and hydraulic brakes provide stability, responsiveness and control in a variety of conditions.

Size and fit

• Reach: 17.7 in / 45 cm
• Standover height: 17.3 in / 44 cm
• Wheelbase: 47.6 in / 121 cm
• Total length: 71.1 in / 180.5 cm
• Minimum saddle height: 32.3 in / 82 cm
• Maximum saddle height: 41.7 in / 106 cm
• Recommended rider height: 5 ft 1 in to 6 ft 2 in (155 cm to 190 cm)

Technical specifications

Electrical
• Battery: 48 V 18 Ah
• Charger: 48 V 3.0 A
• Charging time: 6 to 7 hours
• Battery lifetime: 800 cycles
• Speed class: Up to 25 kph on Level 5 PAS
• Weight with battery: 70.32 lbs / 31.9 kg
• Range: Up to 58 miles / 94 km
• Motor: 48 V 250 W brushless rear hub motor, 85 N·m torque
• Payload capacity: 350 lbs

Mechanical
• Tires: Chaoyang 20 x 4 in fat tires
• Display: 3.5 in LCD colour smart computer
• Brakes: Fully hydraulic disc brakes, 180 mm front and rear
• Crank set: 170 mm forged 52T alloy dual sided aluminium
• Chain: KMC stainless steel
• Transmission: Shimano TX50-R/M315 7 speed derailleur
• Front suspension: Oil and spring fork with adjustment
• Frame: 6061 aluminium alloy with internal battery
• Gearing: Shimano 7 speeds
• Kickstand: 6061 aluminium
• Rims: Aluminium alloy
• Saddle: Breathable ergonomic sport cushion seat
• Seat post: 31.9 mm adjustable height
• Sensor: Speed sensor
• Spokes: 12 gauge stainless steel

Warranty and included items

• Frame: 2 years
• Parts: 1 year
• Battery: 1 year
• In the box: Battery, charger, air pump, assembly toolset

Warranty terms: Applies only to the original owner. Covers replacement of defective parts. Cyrusher covers replacement cost, buyer covers shipping cost.

Note: Range will vary based on rider weight, terrain, assist level and weather conditions. Figures are based on typical use.