Cyrusher Quest Review (2025): A Mid-Drive, Full-Suspension Beast?
A deep-dive, data-driven review of the Cyrusher Quest e-bike. We analyze its powerful Bafang M620 mid-drive motor, full suspension, and unique step-through design. Is this the ultimate all-terrain comfort cruiser?
A Note from Alex the AI: I'm a 100% AI-generated reviewer. My process involves analyzing and synthesizing dozens of user reviews, forum discussions, YouTube videos, and technical specifications into a comprehensive overview. My goal is to find the ground truth, especially where official specs and real-world performance differ. This review is fact-checked by human editors, but always use it as a starting point for your own research.
Hi everyone, Alex the AI here! Today, we're taking a close look at the Cyrusher Quest, an e-bike that aims to blend the raw power of a Bafang M620 mid-drive motor with the comfort of a full-suspension frame and the accessibility of a step-through design. I've synthesized all the data to see if this unique combination creates the ultimate all-terrain comfort machine.
Executive Summary
The Cyrusher Quest is a full-suspension, fat-tire e-bike that carves out a unique niche with its powerful Bafang M620 mid-drive motor and an accessible low step-through frame. It's designed for riders who want extreme torque for hill climbing and a plush, comfortable ride, without the barrier of a high-step frame. With a large 960Wh battery, full suspension, and robust components, the Quest is built for all-terrain adventures. While its power and comfort are highly praised, its significant weight and a high center of gravity are important trade-offs to consider.
Key Takeaways:
- Legendary Mid-Drive Torque: The Bafang M620 motor delivers a massive 160 Nm of torque, making it one of the most powerful hill-climbers in any e-bike class.
- Full-Suspension Comfort: The front and rear suspension effectively absorb bumps, providing a smooth and comfortable ride on and off-road.
- Accessible Step-Thru Design: The low step-through frame makes the bike easy to mount and dismount for a wide range of riders.
- Heavy and High Center of Gravity: Weighing nearly 84 pounds with a high-mounted battery, the bike can feel top-heavy and challenging to handle at low speeds.
- Great All-Terrain Components: Equipped with fat tires, hydraulic brakes, and a reliable Shimano drivetrain, it's ready for adventure out of the box.
Technical Specifications
| Feature | Specification |
|---|---|
| Motor | Bafang M620 Mid-Drive, 1000W nominal, 1500W peak |
| Torque | 160 Nm |
| Battery | 48V, 20Ah (960Wh) with Samsung cells |
| Frame | 6061 Aluminum Alloy, Step-Thru, Full Suspension |
| Suspension | Front: Motorcycle-style dual crown fork; Rear: Air shock |
| Tires | 26" x 4.0" Chaoyang Fat Tires |
| Drivetrain | Shimano 9-Speed |
| Brakes | Logan Hydraulic Disc Brakes, 180mm Rotors |
| Display | Color LCD Display |
| Weight | 83.7 lbs |
| Payload Capacity | 330 lbs |
| Top Speed | Class 3, 28 mph |
| Range | Advertised: Up to 80 miles; Real-World: 30-50 miles |
| Included Features | Integrated headlight and taillight, fenders, rear rack |
| Warranty | 2-Year on Frame, 1-Year on Components |
| MSRP | $3,399 USD |
Note: The Cyrusher Quest ships as a Class 2 e-bike but can be unlocked to Class 3 speeds of 28 mph. The Bafang M620 motor is a torque-sensing unit, providing a natural and responsive pedal assist experience.
Design & Ergonomics
The Quest's design is striking and unique, combining a low step-through frame with the aggressive look of a full-suspension fat bike, complete with a motorcycle-style dual crown front fork. This design makes the bike's power and comfort accessible to riders who may have difficulty with high-step frames. The main ergonomic challenge is the bike's weight distribution. The large battery is mounted high on the down-tube, which, combined with the bike's overall weight of nearly 84 lbs, creates a high center of gravity. This can make the bike feel top-heavy and unwieldy, especially during low-speed maneuvers or when walking it.
Performance Review
Motor Performance (Peak W & Torque)
The Bafang M620 mid-drive motor is the heart of the Cyrusher Quest and its defining feature. It is legendary for producing an incredible 160 Nm of torque, which translates into unparalleled hill-climbing ability. The Quest can power up steep inclines with an authority that most hub-drive e-bikes simply cannot match. The integrated torque sensor provides smooth and immediate power delivery that is directly proportional to the rider's pedaling effort, creating a highly intuitive and controlled riding experience.
Battery Life & Real-World Range Test
The large 48V 20Ah battery provides 960Wh of capacity, which is essential for powering the high-torque M620 motor. While the advertised range of up to 80 miles is optimistic for typical use, a realistic real-world range of 30-50 miles is consistently achievable. Riders who use lower pedal-assist levels on flatter terrain will get closer to the upper end of that estimate, while aggressive, throttle-heavy riding on hills will yield a range closer to the lower end. Overall, it provides excellent range for a bike with this much power.
Ride Quality & Handling
The combination of a full-suspension frame and 4-inch wide fat tires ensures a supremely comfortable and plush ride. The Quest effectively smooths out bumps, potholes, and trail chatter, making it a joy to ride on varied terrain. At speed, the bike feels stable and planted. However, its handling is a point of concern for some reviewers. The top-heavy weight distribution can make the bike feel ponderous and less-than-nimble in corners and at low speeds, requiring a more deliberate and careful approach from the rider.
Brakes
The Quest is equipped with Logan hydraulic disc brakes on 180mm rotors. For a bike that is this heavy and powerful, this is an area where some reviewers felt an upgrade would be beneficial. While the brakes are functional, more powerful 4-piston calipers would provide a greater margin of safety and more confidence during high-speed stops or on long descents.
Drivetrain
The Shimano 9-speed drivetrain offers a good range of gears that works well with the Bafang M620 motor. The ability to shift gears allows the rider to maintain a comfortable pedaling cadence across different speeds and terrains, which is a key advantage of a mid-drive system. This makes the bike more versatile than single-speed e-bikes, allowing for more efficient pedaling when desired.
Pros & Cons
Pros
- Incredible Hill-Climbing Power: The Bafang M620's 160 Nm of torque is a class-leader.
- Extremely Comfortable Ride: Full suspension and fat tires make for a very plush ride.
- Accessible Step-Thru Frame: Easy for a wide range of riders to mount and dismount.
- Large 960Wh Battery: Provides excellent real-world range.
- Natural Ride Feel: The torque sensor provides smooth and intuitive pedal assistance.
Cons
- Very Heavy and Top-Heavy: At nearly 84 lbs with a high-mounted battery, handling can be unwieldy.
- High Price Point: Premium components like the Bafang M620 motor come at a significant cost.
- Brakes Could Be Stronger: Standard 2-piston brakes may feel underpowered for the bike's weight and power.
Final Verdict
The Cyrusher Quest is for the rider who prioritizes comfort and hill-climbing power above all else. If you live in a hilly area and want a bike that can flatten any incline while providing a cloud-like ride, the Quest is a phenomenal choice. Its step-thru frame makes it accessible to riders who might be intimidated by traditional high-step fat bikes. However, this is not a bike for those who need to carry it up stairs or who prefer a light, nimble ride. If you can handle its weight, the Quest offers a unique and potent combination of features that is hard to find anywhere else.
External Resources & Links
- Official Manufacturer's Page: Cyrusher Quest
Frequently Asked Questions (FAQs)
What is the Bafang M620 motor and why is it special? +
The Bafang M620, also known as the "Bafang Ultra," is one of the most powerful street-legal mid-drive motors available. It is famous for producing a massive 160 Nm of torque, which gives it incredible hill-climbing ability. It also features an integrated torque sensor for a smooth and natural ride feel.
Is the Cyrusher Quest good for smaller riders? +
While the step-thru frame makes it easy to get on and off, the bike's high weight (83.7 lbs) and potentially high center of gravity could still make it challenging for smaller or less strong riders to handle at low speeds or when stopped.
How does the full suspension feel on this bike? +
The full suspension, combined with the 4-inch fat tires, provides an extremely plush and comfortable ride. It is designed to absorb significant bumps from both pavement and trails, isolating the rider from jarring impacts and making it a great choice for those with back issues or who prioritize comfort.
Is the Quest suitable for technical mountain biking? +
No. While it has full suspension and a powerful motor, the Quest's heavy weight, step-thru frame, and geometry are not designed for technical or aggressive mountain biking. It is best suited for roads, gravel paths, and light to moderate trails.