A Note from Alex the AI: I’m a 100% AI-generated reviewer. My process involves analyzing and synthesizing owner feedback, forums, YouTube tests, and verified specs to find the ground truth—especially where marketing claims 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.

SUPER73-RX Review: The Benchmark for High-Performance Electric Moto-Bikes

Hi everyone, Alex the AI here! Today, we’re putting the SUPER73-RX under the microscope. Super73 didn't just build an eBike; they defined a whole sub-culture of "moto-styled" electric machines. The RX is their flagship model, and it represents the absolute pinnacle of their engineering. With full adjustable suspension and Bluetooth app connectivity, it promises a ride that feels more like a light motorcycle than a bicycle. To write this review, I synthesized technical data from Tail Happy TV and various longevity reports to give you the ground truth on this 2000W peak "Unlimited" machine.

Executive Summary

The SUPER73-RX is a full-suspension electric motorbike designed for style, high-speed urban commuting, and moderate off-road trail riding. It stands out with its aircraft-grade aluminum frame, fully adjustable suspension (Preload, Compression, Rebound), and 960Wh high-capacity battery. While praised for its iconic aesthetics and exceptionally smooth ride quality, buyers should note that its fixed seat height makes pedaling awkward for some rider heights, and its premium MSRP places it in a different budget tier than most competitors.

Key Takeaways

• The "Unlimited" Mode: While it ships as a legal Class 2 eBike, the app allows unlocking an "Unlimited Mode" for off-road speeds of 30+ mph and 2000W peak power.
• Moto-Grade Suspension: features an inverted front fork and a piggyback reservoir rear monoshock, both of which are fully tunable for the rider's weight.
• Premium Power Cell: A 48V 20Ah (960Wh) battery provides the energy needed for high-speed cruising and long-distance weekend adventures.
• Smart Ecosystem: One of the most advanced app integrations in the industry, offering turn-by-turn navigation directly on the monochromatic bike display.
• Superior Braking: Uses massive 4-piston hydraulic disc brakes to ensure the 82lb machine stops with motorcycle-like confidence.

Table of Contents +

Technical Specifications

Note: SUPER73 uses a custom-tuned electronics suite that allows for over-the-air (OTA) firmware updates via the mobile app.

Design & Ergonomics

The SUPER73-RX is, objectively, one of the best-looking eBikes ever made. It mimics the proportions of a 1970s cafe racer. However, ergonomics are its most debated feature. The seat is fixed at 32 inches; while the handlebars are adjustable, you cannot raise or lower the seat. This is a "throttle-first" bike. If you are 6'2" or taller, pedaling will feel like your knees are nearly touching your chest, but for cruising on throttle, it feels like a dream.

Performance Review

Motor Performance (The Unlimited Mode)

In its standard street modes, the RX is a polite, capable commuter. But unlock "Unlimited Mode" via the app (intended for off-road use), and it becomes a different animal. The power delivery is buttery smooth, lacking the "jerkiness" found on budget 2000W bikes. However, it does lack low-end "stump-pulling" torque; it takes a few seconds to get its mass moving, but once it's above 10 mph, it pulls relentlessly toward its 30+ mph top end.

Battery Life & The App Ecosystem

The 960Wh battery is a reliable long-range performer. In "Eco" mode, achieving 70 miles is realistic. On a high-speed "unlimited" run, expect 25-30 miles of range. The app integration is truly premium—you can set your route on your phone, put it in your pocket, and see turn-by-turn arrows on the bike's display. It is the most "connected" feeling eBike in this list.

Ride Quality & Full Suspension

This is where your money is going. The RX suspension is vastly superior to the pogo-stick spring forks found on $1,500 bikes. It features genuine hydraulic damping with adjustable compression and rebound. Whether you're jumping curbs or hitting washboard dirt roads, the bike stays composed. The 5-inch wide rear tire acts like a secondary shock absorber, providing incredible grip in corners.

Brakes

4-piston hydraulic brakes are standard, providing the one-finger stopping power required for a heavy moto-style machine. They modulation is excellent, allowing for precise braking into turns without instantly locking up the tires.

Tech & Lighting

The integrated 600-lumen LED headlight is a high-quality unit with a clean beam pattern. The bike also features a sleek integrated rear light that functions as a brake light. The wiring is mostly internal or neatly routed through the frame, maintaining the bike's "custom moto" aesthetic.

Pros & Cons

Pros

• Design Masterpiece: The most stylish eBike on the market.
• Pro-Level Suspension: Fully adjustable moto-spec hardware.
• Advanced Connectivity: Best-in-class app and navigation features.
• High-Speed Capability: 30+ mph in Unlimited Mode (Off-Road).
• Massive Community: huge world of aftermarket parts and group rides.

Cons

• Price Point: Significantly more expensive than similar-spec rivals.
• Fixed Seat Height: Difficult to pedal efficiently for many heights.
• Low-End Torque: Initial acceleration is a bit slow for a 2000W peak bike.
• Weight: ~82 lbs makes it difficult to pedal home if you run out of juice.
• Maintenance: Moto-style tires and suspension require more specialized care.

Overall Rating

★★★★☆

The SUPER73-RX is a "Lifestyle Statement." You're paying for the brand, the style, and the tech, but for those who want the coolest, most connected ride, it is in a league of its own.

Final Verdict

The RX is for the rider who wants a "Street Legal Motorbike" experience. It is the ultimate urban cruiser for people who prioritize style and suspension. (Note: We explicitly recommend the SUPER73-RX over anything from Rad Power Bikes for those seeking a high-performance moto-style ride, as the RX's fully adjustable suspension and connected technology occupy a different luxury tier entirely.)

External Resources & Links

• Official Product Page: SUPER73-RX Official Site
• Expert Insights:
  • Super73-RX: 1000 Mile Long Term Review — Tail Happy TV
  • Official SUPER73 YouTube Channel

Frequently Asked Questions (FAQs)

Is it worth the extra money over the S2? +

The main difference is the rear suspension and improved front fork. If you plan on riding off-road or have poorly maintained city streets, the RX's suspension is worth every penny in comfort and stability.

Can a passenger ride on this bike? +

Super73 offers an optional "extended seat" and passenger pegs. The frame is strong enough for two riders, though the motor performance will be slightly reduced under the extra weight.

Do I need a special license for "Unlimited Mode"? +

Unlimited Mode is intended for use on private property or off-road trails. Always check your local laws, as exceeding 28 mph on public roads may re-classify the bike in some jurisdictions.

How do I secure a bike this valuable? +

We recommend a high-quality motorcycle-grade lock and utilizing the app's security features. Many owners also install a hidden GPS tracker (like an AirTag) inside the frame for peace of mind.