Visit us for a free test ride and experience the bike’s performance, comfort, and handling before you buy.
Our technicians professionally assemble, inspect, and fine-tune your bike for a safe, ready-to-ride experience. Regularly $150, now only $50.
RIDE BEYOND THE EVERYDAY.
Go farther with Hynox FLEX. Enjoy up to 70 miles of range, an easy-access step-through frame, and a lightweight feel for comfortable everyday riding. An 8-speed drivetrain helps you find your perfect pace, while smart app connectivity keeps you connected to your ride—from daily commutes to weekend adventures.
Features
120lbs Integrated Rear Rack
Engineered as an integral part of the frame, this high-strength rear rack offers unmatched structural integrity and a massive 120lbs (55kg) load capacity. It features pre-drilled mounting points designed for seamless compatibility with a wide range of accessories, including large baskets, child seats, and panniers. Whether you are hauling heavy groceries or gearing up for a long-distance touring adventure, this rack provides the ultimate stability and versatility for every journey.
KMC Chain
Engineered for maximum durability and high-strength performance, this drivetrain delivers efficient power transfer and precise, dependable shifting. The chain features a corrosion-resistant coating that protects against rust and wear, helping it perform reliably in wet, dusty, or demanding conditions
Ergonomic Saddle
The 8.6" wide high-density memory foam saddle delivers an elite riding experience, blending firm support with ultimate comfort. Its expansive surface area is specifically engineered to alleviate pressure, ensuring a premium, pain-free journey even on the longest rides. Experience a seat that supports your posture and invites you to explore further in total relaxation.
Shimano Altus 8-Speed
Experience professional-grade precision with the Shimano Altus derailleur, engineered for faster shifting and superior stability across any terrain. This reliable drivetrain ensures smooth, crisp gear changes under pressure, giving you the confidence to conquer steep climbs and rugged trails with ease. It’s the perfect blend of durable performance and effortless control for every adventure.
EXSHO 60mm Front Suspension
Tame the urban grid with the EXSHO suspension fork, packing 60mm of travel. Built with a rugged, high-strength chassis, it’s engineered to aggressively soak up potholes, curb drops, and rough pavement.
Hynox App
Connect your ride with the Hynox App for total control via Bluetooth. Seamlessly power your bike on or off, toggle lights, and precision-tune your performance by setting custom speed limits for each PAS level and the throttle. With automatic ride tracking and OTA firmware updates, your bike stays smarter and more optimized with every sync.
ARISUN Puncture Resistant Tires
Conquer every landscape with ARISUN 20”x3.0” all terrain tires, engineered for peak performance and peace of mind. Featuring the advanced 3mm HIPPO SKIN+ puncture protection, these tires offer industry leading durability and a high-traction tread for superior grip.
PERFORMANCE
Motor Power: 1300W Peak (750W Rated)
Maximum Torque: 75 Nm
Top Speed: Up to 28 MPH (20 MPH Default Speed Setting)
BATTERY & RANGE
Battery: 48V 13Ah Lithium-Ion Battery
Battery Capacity: 624Wh
Throttle Range: Not Specified
Maximum Range: Up to 70 Miles with Pedal Assist
Extended Range: Optional Dual Battery — Not Confirmed
Charging Time: Not Specified
Battery Type: Removable Lithium-Ion Battery
WHEELS & DRIVETRAIN
Tire Size: 20 × 3.0 Inches
Drivetrain: Shimano Altus 8-Speed
Brakes: Front and Rear Hydraulic Disc Brakes
Axle Type: Not Specified
CONTROLS & RIDING FEATURES
Display: 3.5-Inch Full-Color LCD Display with Bluetooth and Adjustable Viewing Angle
Drive Modes: Pedal Assist / Throttle / Pedal
Gearing: Shimano Altus 8-Speed Transmission
Frame Design: Foldable Step-Through Frame
FRAME & CAPACITY
Frame Material: Aluminum Alloy
Maximum Payload Capacity: 440 lbs
Integrated Rear Rack Capacity: 120 lbs
Net Weight: Approximately 65.7 lbs
Recommended Rider Height: 5’ - 6’4”
DIMENSIONS
Overall Dimensions: Not Specified
Folded Dimensions: 40 × 19 × 29 Inches (L × W × H)
Seat Height: 31 inches
Handlebar Height: Not Specified
Standover Height: Not Specified
ADDITIONAL FEATURES
Storage: Integrated Rear Rack with 120 lbs Capacity
Frame: Foldable Design for Convenient Storage and Transportation
Suspension: EXSHO Front Suspension Fork with 60mm Travel
Tires: ARISUN 20 × 3.0-Inch All-Terrain Tires with Puncture Protection
Lighting: Integrated Turn Signals
Connectivity: Bluetooth Connectivity via the HYNOX App
Water Resistance: IPX6-Rated Electrical Components
Accessories: Charger, User Manual, Assembly Toolkit, and Bike Hardware (Confirm Included Items with Seller)
Safety Certification: Not Specified
All products sold by RideMart are backed by the original manufacturer's warranty, typically ranging from 1-2 years depending on the brand and product.
Warranty coverage may include major components such as the frame, motor, battery, controller, display, and electrical system, subject to each manufacturer's specific warranty terms.
Normal wear and tear, misuse, accidents, unauthorized modifications, improper maintenance, and damage caused by water or extreme riding conditions may not be covered.
If you experience an issue, contact RideMart with your order number, photos or videos, and a description of the problem. Our team will help coordinate troubleshooting, replacement parts, or warranty service with the manufacturer.
RideMart accepts eligible returns within 15 days of delivery or pickup.
Returned products must be in new or like-new condition, with original packaging, manuals, accessories, chargers, keys, and included components. Products showing excessive wear, damage, modification, or significant use may not qualify for a full refund.
Return shipping costs and possible restocking fees may apply depending on the reason for return and the condition of the product.
If your product arrives damaged, defective, or incorrect, please contact RideMart as soon as possible with photos or videos so our team can assist you.
Before returning any product, please contact RideMart Support for return authorization and instructions.
Many RideMart e-bikes and electric dirt bikes arrive partially assembled for safe transportation. Final setup may include installing or adjusting the handlebars, front wheel, pedals, display, suspension, brakes, and other components.
For added convenience, RideMart offers professional assembly and setup options on eligible products, including selected store pickup orders.
Our setup process may include final assembly and component inspection, brake and drivetrain adjustment, tire pressure and suspension check, battery and electrical system check, display and riding mode setup, and a basic safety inspection.
For high-performance electric dirt bikes, we strongly recommend professional assembly and a complete safety inspection before the first ride.
Assembly availability and fees may vary by product and location.
Q: What is the maximum range of the HYNOX FLEX?
A: The HYNOX FLEX offers a maximum advertised range of up to 70 miles on a single charge. Actual range depends on rider weight, terrain, riding conditions, and pedal-assist level.
Q: What is the top speed of the HYNOX FLEX?
A: The HYNOX FLEX has an advertised top speed of up to 28 MPH. The default speed setting is 20 MPH, and the HYNOX App can be used to adjust speed settings where permitted by applicable laws and regulations.
Q: How compact is the HYNOX FLEX when folded?
A: The HYNOX FLEX folds down to approximately 40 × 19 × 29 inches, making it easier to store in a car trunk, SUV, or limited storage space at home or in the office.
Q: Does the HYNOX FLEX connect to a smartphone app?
A: Yes. The HYNOX FLEX connects to the HYNOX App via Bluetooth. Riders can track their rides, customize pedal-assist speed settings, manage supported bike functions, and receive over-the-air firmware updates.
Q: What is the maximum payload capacity of the HYNOX FLEX?
A: The advertised maximum payload capacity is 440 lbs, including the rider and cargo. The integrated rear rack has a separate maximum load rating of 120 lbs. Do not exceed either limit.
Q: What kind of brakes does the HYNOX FLEX use?
A: The HYNOX FLEX is equipped with Logan hydraulic disc brakes designed to provide responsive and consistent braking performance.
Q: Is the HYNOX FLEX water-resistant?
A: The product listing specifies an IPX6 rating for its electrical components, indicating protection against powerful water jets under specified test conditions. Avoid submerging the bike or using a pressure washer.
Q: How long does it take to assemble the HYNOX FLEX?
A: The bike is advertised as approximately 95% pre-assembled and includes an assembly toolkit and digital instructions. The manufacturer indicates that setup can be completed in under 20 minutes, depending on experience and the assembly steps required.
Q: What warranty and after-sales support are available?
A: HYNOX advertises a 2-year full-bike warranty covering major components such as the frame, motor, battery, and controller, subject to exclusions. Lifetime technical support is also advertised. Review the official warranty terms for coverage details.
Q: Can I return the HYNOX FLEX if it does not meet my needs?
A: advertises a 30-day trial. Review the official return policy for eligibility, return shipping, condition requirements, and any applicable fees before purchasing.
Q: Is the HYNOX FLEX suitable for commuting and carrying cargo?
A: Yes. Its folding frame, integrated rear rack, 20 × 3.0-inch tires, front suspension, and advertised 70-mile maximum range make it a versatile option for commuting, errands, and recreational rides. Actual performance and range will vary with load and riding conditions.
5 stars: 5 (100%)
4 stars: 0 (0%)
3 stars: 0 (0%)
2 stars: 0 (0%)
1 star: 0 (0%)
A
Agha S. P.
Solid e-bike quality and outstanding customer support
Great bike quality and excellent customer support. After some parts were accidentally damaged and the battery keys were lost, the support team responded quickly and helped arrange replacement parts without hassle. The solid build and responsive service make this bike easy to recommend.
L
Landon J.
My Favorite E-bike
The build quality immediately stood out. The folding latch feels strong with no looseness and the bike feels confident on different terrain. It folds small enough to fit in my sedan. The throttle has plenty of power while the pedal assist is smooth and easy to control. Great specs and value overall.
A
Aaron
Powerful bike
Cool bike with strong torque and plenty of power. Really fun to ride.
M
Mark M.
Solid Folder
The frame feels very solid and the components are well made. Shifting between gears and pedal-assist levels is smooth, and the hydraulic brakes feel responsive. It is comfortable for riding around town and folds down easily enough to fit in the back of my RAV4. Very pleased with it.
G
Gerald B.
Great folding ebike
Fast shipping and the bike arrived in good condition. Assembly took less than an hour. The components feel excellent for the price and it handles hills easily even with a heavier rider. I may get another one for my wife.
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