Mid Motor Electric Bike
HEDATX TX90 29-Inch
Engineered for those who demand uncompromising performance — a meticulously balanced fusion of lightweight agility, mid-drive precision, and all-terrain versatility.
Extended Range
Travel over 37 miles (60 km) on a single charge — enough for daily commutes and weekend explorations without battery anxiety.
Over 37 mi / 60 km range
Mid-Drive Motor
Central motor placement delivers balanced weight distribution and natural riding dynamics — superior hill-climbing and smoother acceleration.
50–60 Nm torque
Hydraulic Disc Brakes
Responsive, low-maintenance braking with superior modulation — reliable stopping power in wet, dry, or dusty conditions.
Precision stopping power
7-Speed Drivetrain
Seamlessly adapt to any incline or terrain with a wide gear range — climb steep gradients effortlessly or cruise flat roads at speed.
Versatile gear selection
Why Mid-Drive Motors Redefine E-Bike Performance
Unlike hub motors that place propulsion force in the front or rear wheel, the HEDATX TX90's centrally positioned motor drives the crankshaft directly — the same point where your own pedaling force is applied. This architectural choice yields three transformative advantages:
1. Optimized Weight Distribution. With the motor and integrated battery positioned low and centered within the frame, the bike achieves a near-perfect center of gravity. Cornering feels planted and predictable; low-speed maneuvering remains confidence-inspiring even on loose surfaces.
2. Drivetrain Synergy. Because the motor feeds power through the same 7-speed drivetrain that your legs use, the torque multiplication of each gear becomes available to the motor. On steep climbs, shift into a lower gear and the motor's 36.9–44.3 lb-ft (50–60 Nm) of torque is amplified mechanically — something no hub motor can replicate.
3. Natural Ride Feel. Mid-drive systems employ sophisticated torque sensors that measure your pedaling input hundreds of times per second. The motor supplements your effort proportionally, creating a seamless, intuitive riding experience that feels like an extension of your own strength rather than an artificial push.
The 29-Inch Advantage: Rollover Efficiency & Stability
The 29-inch wheel standard — long favored by cross-country mountain bikers and long-distance tourers — brings measurable benefits to both urban commuting and trail riding. Larger diameter wheels exhibit a lower angle of attack when encountering obstacles, meaning they roll over curbs, potholes, roots, and rocks with noticeably less deflection than smaller 26-inch or 27.5-inch alternatives.
This translates to maintained momentum on rough terrain, reduced rider fatigue over long distances, and enhanced high-speed stability. The larger contact patch also improves traction during cornering and braking, giving you an extra margin of safety when conditions get unpredictable. Combined with the TX90's lightweight frame, the 29-inch wheels deliver a ride quality that feels planted yet agile.
Integrated Battery: Sleek Design, Lower Center of Gravity
The HEDATX TX90's battery is seamlessly integrated into the downtube rather than mounted externally. This design choice isn't merely aesthetic — though the clean, uninterrupted frame lines certainly turn heads — it serves a critical engineering function. By embedding the battery mass within the frame's lowest structural member, the bike's center of gravity drops measurably compared to external battery configurations.
A lower center of gravity directly enhances handling precision. During high-speed descents, the bike resists the pendulum effect that can make top-heavy e-bikes feel unsettled. At low speeds — navigating crowded bike lanes or tight trail switchbacks — the planted front end inspires confidence. The integration also provides natural protection for the battery against impacts and the elements, contributing to long-term reliability.
Rapid Charging: Over 37 Miles of Range in Just Over 3 Hours
Modern lithium-ion cell technology and an efficient charging system mean the TX90 reaches full capacity in just over three hours. Plug in during a workday, while you grab lunch, or overnight, and the bike is ready when you are. The intelligent battery management system (BMS) continuously monitors cell voltage, temperature, and charge cycles to maximize battery lifespan and ensure safe operation across thousands of charge-discharge cycles.
For commuters, this rapid turnaround eliminates range anxiety: a full charge covers the vast majority of round-trip commutes with miles to spare. For weekend adventurers, a single charge unlocks extended explorations — scenic backroads, forest trails, or coastal paths — without the constant worry of finding a power outlet mid-journey.
Technical Specifications
Every detail engineered for performance and reliability.
Frame Material
Aluminum Alloy
Wheel Size
29 inches
Motor Type
Mid-Drive (Central)
Torque Output
36.9–44.3 lb-ft (50–60 Nm)
Max Speed
18.6–31 mph (30–50 km/h)
Range per Charge
Over 37 miles (60 km)
Charge Time
Just over 3 hours
Brake Type
Hydraulic Disc
Gears
7-Speed Drivetrain
Battery Design
Integrated (Internal)
Frequently Asked Questions
The HEDATX TX90 delivers over 37 miles (60 km) of range on a single charge under typical riding conditions. Actual range varies based on rider weight, terrain, assist level selected, tire pressure, wind conditions, and ambient temperature. Using lower assist levels and maintaining steady speeds on flat terrain will yield results at the higher end of the range spectrum. Riders who frequently tackle steep hills or rely heavily on maximum power assist should anticipate range closer to the rated figure.
A mid-drive motor sits at the bike's bottom bracket — the crankshaft area — and sends power through the chain and rear gears. This means the motor benefits from the bike's gear ratios: shift to a lower gear for steep climbs and the motor's torque is mechanically multiplied for superior hill-climbing. Hub motors, by contrast, sit inside the wheel and drive it directly without leveraging the drivetrain. Mid-drive systems also centralize mass for better handling, offer more natural pedal-assist feel via torque sensors, and make wheel removal for flat repairs simpler since no motor cables connect to the wheel.
The HEDATX TX90 is designed for versatility. Its 29-inch wheels, mid-drive torque delivery, and 7-speed drivetrain make it equally capable on paved urban streets, gravel paths, hardpack trails, and moderate off-road terrain. The hydraulic disc brakes provide consistent stopping power across all surfaces. While it excels as a commuter bike, it's fully equipped for weekend trail adventures. It is not, however, intended for extreme downhill mountain biking or motocross-style riding.
A full charge from empty takes just over 3 hours using the included charger. The intelligent Battery Management System (BMS) monitors individual cell health, temperature, and voltage throughout the charging cycle to optimize safety and maximize the battery's service life. Partial top-up charges are perfectly safe — lithium-ion cells do not suffer from memory effect, so you can plug in whenever convenient without degrading capacity.
Hydraulic disc brakes are notably low-maintenance compared to mechanical disc or rim brakes. The sealed hydraulic system self-adjusts for pad wear, eliminating the need for frequent cable tension adjustments. Routine upkeep involves periodically checking pad thickness, cleaning the rotors with isopropyl alcohol to remove contaminants, and inspecting hydraulic lines for integrity. A full brake fluid bleed is typically recommended every 12–24 months depending on usage intensity — a straightforward procedure for any bike shop.
The battery is designed as an integrated structural element within the downtube, contributing to the frame's sleek aesthetics and optimized center of gravity. This integration means the battery is not intended for routine removal. Charging is performed via an accessible port on the frame, allowing you to plug in wherever a standard outlet is available — at home, in the office, or at public charging stations. The non-removable design also enhances security, as the battery cannot be easily detached and stolen when the bike is locked outdoors.
Purchase with Confidence
Free Shipping on All Orders
Complimentary standard shipping on every HEDATX TX90 purchase. Your bike arrives at your doorstep with no additional freight charges — transparent pricing from checkout to delivery.
180-Day Purchase Protection
Six full months of coverage against manufacturing defects. If any component fails due to materials or workmanship within 180 days of delivery, we will repair or replace it at no cost to you.
30-Day Money-Back Guarantee
Ride with peace of mind. If the TX90 doesn't meet your expectations within the first 30 days, return it in original condition for a full refund — no questions asked.
24-Month Warranty Service
Two full years of comprehensive warranty coverage on the frame, motor, battery, and electronic components. Our dedicated support team ensures any issue is resolved promptly.
Nationwide Service Network & Support
With over 3,000 authorized service centers across the United States, we ensure comprehensive after-sales support for your vehicle, giving you complete peace of mind.
We understand that maintenance needs may arise. When you purchase from us, you gain access to our unparalleled service ecosystem designed for maximum convenience and reliability.
1. DIY Repair & Parts Replacement:
For minor repairs or part replacements that can be handled personally, we provide cost-price genuine parts during the warranty period. Each order is accompanied by clear, step-by-step video tutorials to guide you through the self-repair process seamlessly.
2. Professional Servicing:
For issues requiring expert attention, simply contact our support team. We will locate the nearest authorized service center based on your order and location details. You only need to bring your vehicle to the designated center. Once servicing is complete, we will notify you for pickup. All repairs are free during the warranty period; afterward, only cost-based fees apply.
Rest assured—wherever you are, our extensive partner network is ready to keep your ride running smoothly.
Lifetime Limited Powertrain Warranty & Wrap Program
For added long-term security, our Lifetime Limited Powertrain Warranty and Lifetime Wrap Program provide continued mechanical breakdown coverage for as long as you own your vehicle—with no term or mileage restrictions.
Every product on Hekomart.com is expertly curated from thousands, quality tested, and lifestyle approved. Elevate your everyday.
Express Delivery Priority - Where Speed Meets Satisfaction
At Hekomart.com, we understand the anticipation that comes with every online order. While most platforms rely on standard economy shipping, we prioritize your excitement by strategically selecting premium express carriers to accelerate deliveries. Our intelligent logistics system analyzes real-time data to optimize routes, partnering with globally-recognized couriers like DHL, FedEx, and UPS to ensure 30% faster doorstep arrivals* than industry averages.
Every package receives 24/7 tracking visibility and proactive delivery updates, transforming waiting time into confidence. For time-sensitive purchases, our "Expedited Service Guarantee" offers optional priority handling at no extra cost, because your satisfaction isn't just a goal – it's the core of our delivery DNA.
*Based on internal 2025 data comparing standard shipping durations across major platforms. Delivery times vary by destination and customs procedures.
Credit Card 180 Days Purchase Protection
The 180 Days Purchase Protection protects the buyer if an item purchased has not been shipped or if a shipped item is significantly not as described by the seller. The 180 Days Purchase Protection covers all purchases and payments made through our website. We accept Visa, Master Card, American Express, and Discover Card. If you don't receive the item that you ordered, or it shows up significantly different from its description, you may qualify for Purchase Protection, and we'll reimburse you for the full purchase price plus any original shipping costs, subject to terms and limitations. If you are charged for a transaction that you didn't make, let us know within 60 days, and we've got you covered.
30 Days Money-Back Guarantee
We are confident that our products are of great quality and even better value. However, if upon receiving and inspecting your item you decide that you want to return it, you will have 30 days as of the date of shipment arrival to return it for a refund minus the shipping cost. No restocking charges. Any additional fees associated with a purchase transaction will be deducted from the amount of the refund.
24-Month Extended Warranty Service
If you purchase products from our website, you have 24 months to request repairs or replacement if any products turns out to be faulty or are not as advertised. During the warranty period if any product is found to have a manufacturer defect, we will repair or replace the defective part(s). If a product cannot be repaired or replaced within a reasonable time, you can request a refund or price reduction. We are confident that our products are of great quality and even better value. However, if upon receiving and inspecting your item you decide that you want to return it, you will have 30 days as of the date of shipment arrival to return it for a refund minus the shipping cost.
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