Vvolt Sirius
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Facts
Summary of Reviews
We have read all expert and user reviews on the Vvolt Sirius. In summary, this is what cyclists think.
19 reasons to buy
- A 250W MPF mid-drive motor exudes 500W of peak power and 80Nm of torque.
- A torque sensor intuitively moderates pedal-assist to ensure smooth acceleration.
- The Gates CDX belt drive is greaseless, quiet and low-maintenance.
- An Enviolo TR internal planetary hub offers 380% of stepless gear range.
- The Sirius is shod with mighty hydraulic disc brakes, front and back.
- With an internally-housed battery, the Sirius sports a neat and clean aesthetic.
- The Sirius’s flowing framework is a callback to classic cruisers and klunkers.
- Vvolt backs the Sirius with a 3-year warranty against manufacturers' defects.
- The Sirius’s battery is lockable and removable for security or off-bike charging.
- With a 100mm suspension fork and room for knobby tires, the Sirius is versatile.
- 27.5” wheels work well in urban and off-road environments.
- Moderately upright geometry works well for city and gravel riding.
- Acer’s Explova display and control unit is simple, clear and easy to read.
- USB lights come included. The headlight connects to the Sirius’s display unit.
- Kenda Kwick Seven.5 tires feature a mixed-tread that suits pavement and dirt.
- With an internal stepless hub and belt drive, the Sirius operates quietly.
- ‘Walk Mode’ helps you to walk the Sirius up steep ramps and driveways.
- The Enviolo TR hub allows riders to change gears when stopped, without pedaling.
- An optional upgrade unit boosts riders’ maximum assist speed to 28mph.
2 reasons not to buy
- Due to its quality parts selection, the Sirius is not cheap.
- This e-bike’s 375Wh battery capacity is on the lower end of the range.
Bottom line
Vvolt’s Sirius is a Class 1 e-bike that provides riders with pedal-assisted support up to 20mph. An optional ‘Warp Core’ upgrade lifts this to 28mph. The Sirius runs a 250W mid-drive motor that outputs 500W of peak power and 80Nm of torque. A Gates CDX belt-drive and internal, stepless, planetary Enviolo hub combine to produce a quiet, low-maintenance and durable drivetrain. High-quality components are specced throughout. This is not a gnarly trail-riding mountain bike but it is well-suited to gravel riding, dirt roads and crunchy trails. At 375Wh, the battery is on the lower end of capacity but still offers up to 40 miles of range. A stylish and well thought-out e-bike that’s priced accordingly.Expert Reviews
92/100 based on 1 rated expert reviewVvolt Sirius Electric Bike Review
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