In this video, Thomas unboxes, builds, tests, and reviews the Cyrusher Aura, a street-legal electric fat bike equipped with a 250W rear motor delivering 95 Nm of torque, a 52V Samsung battery, and massive 26x4" tires. Despite its heavy frame, he highlights its acceleration, hill-climbing capabilities, and hydraulic braking performance.
Key Highlights & Timestamps
- Unboxing & Build [00:34]
Unboxing & Setup [01:12]: The bike comes in a large box containing the toolkit, pedals, headlight, charger, and hardware. Setup takes around 15 minutes.
Tires & Versatility [01:20]: Features huge 26" x 4" fat tires capable of handling all types of terrain (forest, gravel, city roads).
- Technical Specifications [02:00]
Motor & Power [02:25]: 250W rear motor adhering to French road regulations, but boasting 95 Nm of torque for rapid acceleration.
Battery & Range [02:57]: Removable 52V 15Ah Samsung battery located inside the V-shaped open frame, promising up to 96 km of pedal-assist range.
Suspension & Brakes [04:08]: Adjustable front hydraulic suspension fork paired with double hydraulic disc brakes.
Weight & Fenders [04:35]: Weighs approximately 34 kg with the battery included. Comes with optional front/rear fenders and a rear luggage rack.
- Real-World Performance & Road Test [06:02]
Assistance Modes & Drivetrain [06:08]: Features 6 assistance levels (0 to 5) paired with a 7-speed Shimano drivetrain.
Torque Sensor [06:40]: Dynamically adjusts power output based on pedaling intensity—harder pedaling yields immediate, punchy acceleration.
0–25 km/h Acceleration [07:37]: Reaches top assist speed rapidly across gravel, grass fields, and asphalt.
Off-Road Handling [08:33]: Even without rear suspension, the fat tires combined with the front fork keep the ride comfortable and stable.
Hill-Climbing Test [10:15]: Effortlessly scales steep inclines thanks to the high torque output.
Braking Test [10:50]: Brings the 34 kg bike from 27 km/h to a complete stop within ~2 to 2.5 meters.
Battery Efficiency [11:34]: Retains full battery indicator bars after 10 km of intensive, max-power testing.
- Display, Controls & Extra Features [12:02]
Display Screen [12:02]: Clear, high-brightness LCD display visible under direct sunlight showing speed, voltage, and trip metrics.
Walk Assist Mode [12:30]: Holding the minus button activates motor push assistance up to 6 km/h without pedaling (legal for starting up steep inclines).
Load & Rider Specs [14:02]: Supports up to 150 kg maximum load and fits rider heights between 1.55 m and 1.90 m. Fully CE-certified for public road use in France [14:30].
- Critique & Final Verdict [15:38]
Areas for Improvement [15:54]: Would have preferred built-in turn signals and a louder horn instead of a standard bell.
Pricing & Warranty [16:22]: Priced at €1,250 with a discount code (€1,300 standard). Includes 1-year battery warranty and 2-year warranty on the frame and components.