Cyrusher Flex Step-Over Commuter Electric Bike
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Full Manufacturer Backing: Cyrusher
Cyrusher builds high-performance fat tire and full-suspension e-bikes for adventure riders. As an authorized retailer, every Cyrusher we sell is backed by the manufacturer’s 2-year warranty.
Coverage Breakdown:
- 2-Year Frame, Motor & Controller: Coverage against manufacturer defects in materials and workmanship, limited to one replacement per part, per bike.
- 2-Year Battery: Coverage for defective lithium-ion batteries (excludes damage from power surges, improper chargers, or water damage).
- 2-Year Components: Hydraulic brakes, front fork, rear shock, bike computer, pedal assist sensor, charger, stem, handlebar, headset, seat post, bottom bracket, crankset, and shifting systems.
What’s Not Covered
Wear items (chains, rims, spokes, brake pads, tubes, tires, rotors, grips, seats) and gears/accessories.
How to File a Claim
Email your proof of purchase and photos/video to support@belcopia.com and our team will coordinate directly with Cyrusher.
RangeUp to 59 Miles
Speed28 mph
Battery48V 15Ah LG
Weight~63 lbs
DrivetrainShimano 8-Speed
Motor750W Hub
Cyrusher Flex
Slim Tires. Full Power. Pure Speed.
"The Fastest Way Between Two Points."
Not every ride needs fat tires. The Cyrusher Flex is a commuter electric bike built for riders who want speed and efficiency on pavement and bike paths. Slim 27.5 inch tires cut rolling resistance, a 750W hub motor provides instant acceleration, and the step over frame delivers a sporty, athletic riding position that eats up miles.
What sets the Flex apart from other electric commuter bikes is the dual sensor system. Switch between responsive torque sensing for hill climbs and smooth cadence mode for flat cruising. Paired with a 48V 15Ah LG battery delivering up to 59 miles of range, the Flex turns your daily commute into something you actually look forward to.
"We built the Flex for commuters who are tired of showing up to work sweaty and stressed. The slim tires roll fast on pavement, the dual sensor system adapts to your riding style, and the full suspension keeps you comfortable over rough roads. It is an electric commuter bike that performs like a sport bike."
THIS RIDE IS FOR YOU IF...
- You commute on paved roads and bike paths and want an electric bike optimized for speed and efficiency, not off road capability.
- You prefer a sporty step over frame with an athletic riding position over the upright geometry of a cruiser or step through.
- You ride year round and need full suspension to handle rough urban roads, construction zones, and poorly maintained bike lanes.
- You want the flexibility of dual sensor modes. Torque sensing for responsive hill climbing and cadence mode for relaxed flat riding.
SPEED BY DESIGN
Every Detail Moves You Forward
The Flex starts with 27.5 inch slim tires that cut through air and pavement with minimal drag. Where fat tires prioritize grip, these tires prioritize speed. The result is a fast electric bike that accelerates quicker, rolls farther on each pedal stroke, and handles like a performance machine.
The step over frame channels classic mountain bike geometry into an urban commuter. You sit slightly forward with weight balanced between both wheels for confident handling at speed. Full suspension front and rear absorbs the punishment that city streets dish out, keeping you comfortable over miles that would beat up a rigid frame.
DUAL SENSOR INTELLIGENCE
Torque Mode. Cadence Mode. Your Choice.
Most e-bikes lock you into one assist style. The Flex gives you two. Torque sensing mode reads your pedal pressure and provides proportional power. Push harder up a hill, get more assist. Ease off on a downhill, the motor backs off. It feels natural and extends your battery life by only using power when you need it.
Cadence mode delivers consistent power based on your pedaling speed. Perfect for flat commutes where you want steady, effortless cruising without thinking about how hard you push. Switch between modes on the fly using the handlebar controls. Two sensor systems, one electric commuter bike, zero compromises.
KEY FEATURES
750W Hub Motor
Powerful rear hub motor delivers strong acceleration and hill climbing ability. Smooth, quiet operation for urban commuting.
Dual Sensor System
Switch between torque sensing and cadence sensing modes. Responsive hill climbing or effortless flat cruising. Your choice.
48V 15Ah LG Battery
Premium LG cells deliver up to 59 miles of range per charge. Removable for convenient indoor or office charging.
27.5 Inch Slim Tires
Fast rolling tires minimize drag on pavement and bike paths. Better acceleration and higher efficiency than fat tires.
Full Suspension
Front fork and rear suspension absorb rough roads, potholes, and construction zones. Comfortable commuting on any surface.
Shimano 8 Speed Drivetrain
Eight mechanical gears provide a wide range of cadence options. Fine tune your pedaling effort for any speed or gradient.
WHY THIS BUILD MATTERS
Here is the technical breakdown of why this bike stands out.
Commute Faster, Arrive Fresher
Slim tires and a sporty frame mean you cover ground faster than fat tire bikes. The dual sensor system lets you choose how much effort you contribute.
Full Suspension, Full Comfort
City roads are rough. Full suspension turns every commute into a smooth ride regardless of road conditions, potholes, or construction zones.
Premium Cell Technology
LG battery cells deliver consistent power output, longer lifespan, and better cold weather performance than generic cells.
SIZING GUIDE
| Frame Size | Rider Height |
|---|---|
| One Size (Step-Over) | Fits Most Riders |
Technical Specifications
| Motor | 750W Rear Hub Motor |
|---|---|
| Battery | 48V 15Ah LG Cells, Removable |
| Range | Up to 59 Miles |
| Top Speed | 28 MPH |
| Pedal Assist | Dual Mode: Torque Sensor + Cadence Sensor |
| Throttle | Thumb Throttle |
| Frame | Aluminum Alloy, Step-Over |
| Suspension | Full Suspension (Front Fork + Rear Shock) |
| Brakes | Hydraulic Disc Brakes |
| Gearing | Shimano 8 Speed |
| Wheels & Tires | 27.5" Slim Tires |
| Display | LCD Display |
| Lights | Integrated Headlight + Taillight |
Frequently Asked Questions
Is the Cyrusher Flex a good electric commuter bike?
Yes. The Flex is specifically designed for commuting with its slim 27.5 inch tires for speed on pavement, full suspension for rough roads, and up to 59 miles of range for extended commutes. The dual sensor system lets you choose how much effort you want to contribute.
What is the difference between torque and cadence sensor modes on the Flex?
Torque mode measures your pedal pressure and provides proportional assist. Great for hills and varied terrain. Cadence mode provides consistent assist based on your pedaling speed. Better for flat, steady commuting where you want effortless cruising.
Why does the Flex use slim tires instead of fat tires?
Slim 27.5 inch tires have less rolling resistance than fat tires, meaning you go faster with less energy. They accelerate quicker and are more efficient on pavement and bike paths. If you ride primarily on paved surfaces, slim tires are the better choice.
Does the Cyrusher Flex have full suspension?
Yes. The Flex features both a front suspension fork and a rear shock absorber. This full suspension system smooths out rough urban roads, potholes, railroad crossings, and construction zones.
How long does the battery last on the Cyrusher Flex?
The 48V 15Ah LG battery provides up to 59 miles of range per charge. A full charge takes approximately 5 to 7 hours. The battery is removable for convenient indoor or office charging.
Can I use the Flex electric bike for exercise?
Absolutely. Lower assist levels or torque sensor mode let you get a genuine workout while still having motor support for hills and headwinds. Many riders use commuter ebikes as their primary fitness tool.
What's In The Box
- Cyrusher Flex E-BikeArrives partially assembled. Attach front wheel, handlebars, pedals, and accessories.
- Battery + Charger48V 15Ah LG removable battery and charger included.
- AccessoriesHeadlight, taillight, pedals, and assembly tools included.
COMPARE CYRUSHER COMMUTER E-BIKES
|
Flex
|
Sprint
|
Path
|
|
|---|---|---|---|
| Motor | 750W Hub | 750W Hub | 750W Hub, 80Nm |
| Battery | 48V 15Ah LG | 48V 15Ah LG | 48V 15Ah Samsung |
| Range | 59 mi | 59 mi | 59 mi |
| Sensor | Torque + Cadence | Torque + Cadence | Torque + Cadence |
| Suspension | Full (Front + Rear) | Full (Front + Rear) | Front Fork |
| Brakes | Hydraulic Disc | Hydraulic Disc | Hydraulic Disc |
| Tires | 27.5" Slim | 27.5" City | 27.5" City |
| Frame | Step-Over | Step-Through | Step-Through |
| View Details ↑ | Shop Now → | Shop Now → |
