Electric dirt bikes have completely flipped the off-road world on its head. More and more riders are ditching the headache of noisy gas bikes, loud exhaust pipes, and messy oil changes in favor of instant electric torque.
Right now, two machines are dominating every conversation, forum, and trailhead parking lot: the E Ride Pro SS and the Sur-Ron Ultra Bee.
While both of these bikes deliver insane performance, they actually belong to entirely different weight classes and riding styles. Picking the right one comes down to your physical size, the types of trails you ride, and the exact kind of adrenaline rush you are chasing. Let’s break it down.
Quick Spec Sheet Breakdown
Before we look at how they actually handle out in the dirt, let’s check out the core numbers:
| Feature | E Ride Pro SS | Sur-Ron Ultra Bee |
| System Voltage | 72V Architecture | 74V Architecture |
| Peak Power | 12kW to 16kW | 18kW to 21kW |
| Weight | Approx. 181 lbs | Approx. 201 to 210 lbs |
| Top Speed | 55+ mph | 55 to 60 mph |
| Primary Vibe | Upgraded Light-Weight Pit Bike | Mid-Sized Dirt Bike |
Watt-hours and voltage ratings only tell half the story. Real-world behavior on loose dirt, rock gardens, and back roads tells the rest.
Design, Build, and Frame Geometry
The physical footprint of these bikes is the first thing you notice when you see them side-by-side.
- E Ride Pro SS: It keeps a compact, nimble frame that feels very similar to a classic light-bee style chassis. This makes life super easy—you can easily load it into the back of a small SUV or a standard truck bed without needing a heavy trailer or a ramp setup.
- Sur-Ron Ultra Bee: This thing is noticeably bigger. It successfully bridges the gap between lightweight electric mountain bikes and full-sized gas motocross machines. Sitting on it instantly gives you the feel of a legitimate dirt bike rather than a souped-up bicycle.
Power, Speed, and Throttle Response
Both of these machines are rockets, but they deliver their power in completely different ways.
- E Ride Pro SS: Powered by a punchy 72V system, it delivers explosive, snappy acceleration. Twist the wrist, and the bike instantly leaps forward. It feels lightweight, aggressive, and incredibly flickable on tight single-track trails and street runs.
- Sur-Ron Ultra Bee: Running on a robust 74V powertrain, it is built to push heavy loads through punishing terrain. The power curve is slightly more controlled right off the line, but its mid-range pull is massive. If you love charging up steep, loose hill climbs, the Ultra Bee handles them with absolute authority.
Suspension and Handling on Rough Terrain
Good suspension is what saves your back (and your joints) when you’re pushing hard over rough terrain.
- E Ride Pro SS: It comes with impressive stock suspension that easily outperforms older lightweight bikes out of the box. It handles small bumps and moderate jumps well. However, if you are an aggressive rider slamming through heavy rock gardens or hitting massive gaps, you will eventually find its limits.
- Sur-Ron Ultra Bee: This is where the Ultra Bee truly shines. Its factory suspension offers superior travel and plushness. It swallows big hits, deep ruts, and hard flat-landings with ease, making it the undisputed winner for aggressive track riding.
The Hidden Factor: Rider Size and Ergonomics
Most spec sheets completely ignore the rider’s height and weight, which is a huge mistake when dropping thousands of dollars on a bike.
- If you are over 6 feet tall and weigh more than 200 lbs, the E Ride Pro SS can feel a bit cramped on longer rides. Your knees might sit at an awkward angle, leading to leg fatigue much quicker.
- The Ultra Bee offers a much more natural, roomy cockpit for taller adults. Its wider seat and well-placed footpegs let you transition smoothly from sitting to standing without feeling restricted.
Urban Stealth vs. Full Dirt Identity
Where you plan to ride plays a huge role in how much attention you’ll draw from neighbors and local law enforcement.
- E Ride Pro SS: Thanks to its slimmer profile, it flies a bit more under the radar. It blends in easily during casual neighborhood scouting or quick street sessions.
- Sur-Ron Ultra Bee: This bike screams dirt bike. With its wider plastics, aggressive headlight, and prominent stance, everyone knows you’re riding an off-road machine. If you plan to cruise quiet suburban streets, expect people and local authorities to notice.
Final Verdict: Which One Should You Buy?
Both of these bikes are absolute blasts to ride, but they cater to entirely different types of riders.
Buy the E Ride Pro SS if:
- You want lightweight agility, flickability, and a playful ride.
- You need a compact bike that is easy to load up and transport solo.
- You prefer explosive, snappy acceleration and a stealthier profile for local riding.