2025 Surron Ultra Bee Electric Dirt Bike For Sale — 21kW Turbo
The 2025 Surron Ultra Bee is what happens when Sur-Ron takes everything the Light Bee X proved and builds it bigger, faster, and smarter. The new 21kW Turbo mode delivers instant, explosive acceleration that hits 0 to 31 mph in just 2 seconds. A 55 mph top speed, 70-mile range from the 74V 60Ah battery, and a redesigned carbon fiber-reinforced belt drivetrain mean the Ultra Bee is not just more powerful than its predecessor — it is more capable in every direction. ASR traction control, Crawl mode for technical terrain, and five ride modes give you complete control across every surface and every skill level. The Surron Ultra Bee is in stock and ships across the United States. If you are looking for the Surron Ultra Bee for sale with fast US freight delivery, you have found it.
If you are searching for the 2025 Surron Ultra Bee for sale in the United States, this is the right place and the right time to buy. The Ultra Bee is Sur-Ron’s mid-tier performance machine, positioned above the legendary Light Bee X and built for riders who want more of everything more power, more range, more suspension travel, and more intelligent riding technology without crossing into full-size motocross territory. With the 2025 model, Sur-Ron redesigned the motor, controller, drivetrain, suspension, and braking system together, not separately. The result is a bike that feels cohesive, fast, and genuinely capable on terrain that would push the Light Bee X to its limits.
Why the 2025 Surron Ultra Bee Is the Best 21kW Electric Dirt Bike For Sale in the US
The headline number on the 2025 Ultra Bee is 21kW, delivered in the new Turbo riding mode. That is a 68% increase over the outgoing model’s 12.5kW peak, and it is not just a spec sheet number. You feel it from the first throttle input. The motor uses a hairpin winding design that runs at higher efficiency and dissipates heat faster than a conventional wound motor, which means the 21kW output is sustained and repeatable, not just a peak figure that drops off after 30 seconds of hard riding.
The controller behind the motor uses MTPA and MTPV algorithms .Maximum Torque Per Ampere and Maximum Torque Per Volt to extract every possible unit of performance from the battery at any given state of charge. In plain terms, the Ultra Bee feels strong at 80% battery and still feels strong at 30%. Most electric bikes fall off noticeably as the battery depletes. The Ultra Bee manages that curve better than any comparable bike at this price.
- 21kW peak power (Turbo mode) / 18kW sustained (Sport mode) — 68% more powerful than the outgoing Ultra Bee
- 511 Nm of peak torque — instant from zero, no rev building, no gear hunting
- 55 mph top speed in Turbo mode — full-size dirt bike performance territory
- 0 to 31 mph in 2 seconds — the fastest standing acceleration in the Ultra Bee’s class
- 74V / 60Ah battery pack — upgraded from the previous generation, delivers up to 70 miles of range
- Hairpin motor winding technology — higher efficiency, faster heat dissipation, sustained peak power
- MTPA / MTPV controller algorithms — consistent power delivery from full charge to 20% remaining
- ASR traction control system — adjustable sensitivity, can be toggled on and off while riding
- Crawl mode — low-speed precision for tight technical sections and rocky terrain
- Five ride modes — Eco, Trail, Sport, Turbo, and Crawl
- Carbon fiber-reinforced primary belt with forged steel tungsten carbide-coated pulleys — triple the wear resistance of the previous drivetrain
- New 18-inch rear wheel (up from 17-inch) with 100/90-18 tire for more traction and more tire options
Surron Ultra Bee Specs — Full Technical Breakdown
| Specification | 2025 Surron Ultra Bee |
|---|---|
| Motor Type | Hairpin winding PMSM (permanent magnet synchronous) |
| Motor Power (Peak / Turbo) | 21,000W (21kW) |
| Motor Power (Sustained / Sport) | 18,000W (18kW) |
| Peak Torque | 511 Nm (377 ft-lb) |
| Top Speed | ~55 mph (88 km/h) in Turbo mode |
| 0 to 31 mph (0-50 km/h) | 2 seconds |
| Battery | 74V / 60Ah lithium-ion |
| Range | Up to 70 miles (optimized conditions) |
| Charge Time | ~3.5 hours (standard charger, 0-100%) |
| Controller | MTPA / MTPV algorithm, high-voltage MOSFET |
| Riding Modes | Eco, Trail, Sport, Turbo, Crawl |
| Traction Control | ASR (Anti-Slip Regulation), toggle-adjustable while riding |
| Drivetrain | Carbon fiber-reinforced belt, forged steel tungsten carbide pulleys |
| Frame | Reinforced forged aluminum alloy (50% stiffer vs previous gen) |
| Front Fork | Gold inverted, uniform-wall hydraulic bump stop, 9.4 inches travel |
| Rear Suspension | Linkage-style monoshock, adjustable preload and rebound |
| Front Brake | 4-piston hydraulic disc, 90% increase in caliper rigidity vs prior gen |
| Rear Brake | 2-piston hydraulic disc |
| Front Wheel | 19-inch |
| Rear Wheel | 18-inch (100/90-18 tire) |
| Dry Weight | ~195 lbs (88.5 kg) |
| Max Rider Load | 220 lbs (100 kg) |
| Available Colors | Carbon Black, Desert Brown |
| Warranty | 12-month limited (motor, controller, battery, frame) |
Surron Ultra Bee vs Light Bee X — Which One Is Right for You?
This is the most common question buyers ask before purchasing either bike, so let’s answer it directly rather than dance around it.
The Surron Light Bee X is an 8kW trail bike built for riders who want a nimble, lightweight off-road machine. It weighs 99 lbs, hits 47 mph, and delivers up to 50 miles of range. It is outstanding in its class and remains the most popular electric dirt bike in the US for a reason. If you are a beginner, a younger rider, a trail rider who values low weight and easy handling, or someone buying their first electric dirt bike, the Light Bee X is almost always the correct choice.
The Surron Ultra Bee is for riders who have outgrown the Light Bee X or who are stepping into electric from a 125cc to 250cc gas bike and want a machine that matches that level of performance. It weighs 195 lbs, hits 55 mph in Turbo mode, and delivers 70 miles of range on a larger 74V/60Ah battery. The ASR traction control, Crawl mode, and carbon-reinforced drivetrain are not available on the Light Bee X. If you know what those features are and want them, the Ultra Bee is the bike.
If you are genuinely unsure between the two, contact us before ordering. We will ask you three questions about your riding experience, terrain, and goals, and give you a direct recommendation with no pressure in either direction.
Buying the Surron Ultra Bee in the USA — Shipping and What to Expect
We ship the Surron Ultra Bee from US-based inventory to all 48 contiguous states. No import delays. No customs processing. No grey-market VIN issues. Every Ultra Bee we ship carries a legitimate 17-digit US VIN that appears in the NHTSA database with a body class that is the mark of a genuine US-spec Sur-Ron, not a re-imported unit.
- In-stock orders ship within 1 to 2 business days from our US warehouse
- Freight delivery typically arrives within 3 to 7 business days in the contiguous 48 states
- Freight carrier contacts you directly to schedule a delivery appointment
- Bike arrives assembled — basic setup checks required before first ride
- US-based customer support for pre-sale questions, setup guidance, and warranty claims
- Financing available for qualified buyers through checkout
Hawaii and Alaska customers require a custom shipping quote, contact us before ordering. Canadian buyers are welcome. Duty and import fees apply and are the buyer’s responsibility. Reach out before ordering for a Canada-specific freight estimate.
Surron Ultra Bee FAQ
The 2025 Surron Ultra Bee reaches a top speed of approximately 55 mph (88 km/h) in Turbo mode. Sport mode and lower riding modes restrict maximum speed for controlled riding. The bike accelerates from 0 to 31 mph in 2 seconds, making it one of the fastest-accelerating electric dirt bikes in its power class. Speed can be further adjusted via the controller’s ride mode settings.
Turbo mode is the highest power setting on the 2025 Surron Ultra Bee, unlocking the full 21kW peak output of the hairpin motor. It is activated through the ride mode selection on the handlebar controls and delivers the maximum acceleration and top speed the bike is capable of. Turbo mode is intended for experienced riders on open terrain. Eco, Trail, Sport, and Crawl modes all operate below Turbo’s full power ceiling and are suited to tighter or more technical riding conditions.
The 2025 Surron Ultra Bee delivers up to 70 miles of range per charge on its 74V / 60Ah lithium-ion battery when ridden in Trail or Eco mode at moderate speeds. Aggressive Turbo mode riding on steep terrain will reduce range significantly. Most riders report 1.5 to 3 hours of active trail riding per charge depending on terrain and riding style. The standard charger replenishes the battery fully in approximately 3.5 hours.
The Surron Ultra Bee is Sur-Ron’s next step up from the Light Bee X. The key differences are motor power (21kW vs 8kW), top speed (55 mph vs 47 mph), battery capacity (74V/60Ah vs 60V/40Ah), range (70 miles vs 50 miles), and weight (195 lbs vs 99 lbs). The Ultra Bee also adds ASR traction control, Crawl mode, Turbo mode, a carbon fiber-reinforced belt drivetrain, and significantly upgraded suspension travel (9.4 inches front vs 7.8 inches). The Light Bee X is lighter and more beginner-friendly. The Ultra Bee is more powerful and more technically capable.
The 2025 Surron Ultra Bee is designed and sold as an off-road electric motorcycle and is not street legal in stock form in most US states. It is built for off-road trails, motocross tracks, private property, and recreational land use. Some states have provisions for off-highway vehicles on specific public roads — check your state’s DMV regulations before riding on public streets. The Ultra Bee carries a legitimate US-spec 17-digit VIN that appears in the NHTSA database with a body class assigned.
The Surron Ultra Bee is manageable for newer riders when ridden in Eco or Trail mode, which significantly reduce the power output from the 21kW peak. The ASR traction control also adds a layer of safety on loose or slippery surfaces. However, the full 21kW Turbo mode output is not appropriate for inexperienced riders. Beginners who are completely new to off-road bikes would be better served starting with the Surron Light Bee X before stepping up to the Ultra Bee.
The 2025 Surron Ultra Bee includes a 12-month limited warranty covering defects in materials and workmanship for the motor, controller, battery, and frame for the original purchaser. Normal wear items including tires, brake pads, chain or belt, and throttle assemblies are not covered under warranty. All warranty claims are handled through our US-based support team directly no overseas service centers, no long wait queues.
ASR stands for Anti-Slip Regulation. On the 2025 Surron Ultra Bee, it is an electronic traction control system that detects rear wheel slip and reduces motor output to restore traction automatically. It can be enabled, disabled, or adjusted in sensitivity while riding using the grip buttons on the handlebar — no stopping required. ASR is particularly useful on loose, wet, or rocky terrain where sudden wheelspin could cause a loss of control. It can also be turned off entirely for riders who prefer unassisted throttle response on predictable surfaces.
| Color | Carbon Black, Desert Brown |
|---|
10 reviews for 2025 Surron Ultra Bee Electric Dirt Bike For Sale — 21kW Turbo
Related products
- Original price was: $2,799.00.$2,299.00Current price is: $2,299.00.
- Original price was: $4,699.00.$2,349.00Current price is: $2,349.00.
- Price range: $9,399.00 through $12,798.00
Array ( [width] => 360 [height] => 640 [file] => 2021/09/Ultra-bee-review-2.avif [filesize] => 22563 [sizes] => Array ( [medium] => Array ( [file] => Ultra-bee-review-2-169x300.avif [width] => 169 [height] => 300 [mime-type] => image/avif [filesize] => 9844 ) [thumbnail] => Array ( [file] => Ultra-bee-review-2-150x150.avif [width] => 150 [height] => 150 [mime-type] => image/avif [filesize] => 5762 ) [wcpr-photo-reviews] => Array ( [file] => Ultra-bee-review-2-281x500.avif [width] => 281 [height] => 500 [mime-type] => image/avif [filesize] => 21076 ) ) [image_meta] => Array ( [aperture] => 0 [credit] => [camera] => [caption] => [created_timestamp] => 0 [copyright] => [focal_length] => 0 [iso] => 0 [shutter_speed] => 0 [title] => [orientation] => 0 [keywords] => Array ( ) ) )Array ( [width] => 360 [height] => 640 [file] => 2021/09/Ultra-bee-review-1.avif [filesize] => 25325 [sizes] => Array ( [medium] => Array ( [file] => Ultra-bee-review-1-169x300.avif [width] => 169 [height] => 300 [mime-type] => image/avif [filesize] => 11694 ) [thumbnail] => Array ( [file] => Ultra-bee-review-1-150x150.avif [width] => 150 [height] => 150 [mime-type] => image/avif [filesize] => 7334 ) [wcpr-photo-reviews] => Array ( [file] => Ultra-bee-review-1-281x500.avif [width] => 281 [height] => 500 [mime-type] => image/avif [filesize] => 24738 ) ) [image_meta] => Array ( [aperture] => 0 [credit] => [camera] => [caption] => [created_timestamp] => 0 [copyright] => [focal_length] => 0 [iso] => 0 [shutter_speed] => 0 [title] => [orientation] => 0 [keywords] => Array ( ) ) )Array ( [width] => 480 [height] => 640 [file] => 2021/09/Ultra-bee-review-3.avif [filesize] => 42722 [sizes] => Array ( [medium] => Array ( [file] => Ultra-bee-review-3-225x300.avif [width] => 225 [height] => 300 [mime-type] => image/avif [filesize] => 17403 ) [thumbnail] => Array ( [file] => Ultra-bee-review-3-150x150.avif [width] => 150 [height] => 150 [mime-type] => image/avif [filesize] => 7608 ) [wcpr-photo-reviews] => Array ( [file] => Ultra-bee-review-3-375x500.avif [width] => 375 [height] => 500 [mime-type] => image/avif [filesize] => 38349 ) ) [image_meta] => Array ( [aperture] => 0 [credit] => [camera] => [caption] => [created_timestamp] => 0 [copyright] => [focal_length] => 0 [iso] => 0 [shutter_speed] => 0 [title] => [orientation] => 0 [keywords] => Array ( ) ) )Array ( [width] => 480 [height] => 640 [file] => 2021/09/Ultra-bee-review-4.avif [filesize] => 40605 [sizes] => Array ( [medium] => Array ( [file] => Ultra-bee-review-4-225x300.avif [width] => 225 [height] => 300 [mime-type] => image/avif [filesize] => 19384 ) [thumbnail] => Array ( [file] => Ultra-bee-review-4-150x150.avif [width] => 150 [height] => 150 [mime-type] => image/avif [filesize] => 8935 ) [wcpr-photo-reviews] => Array ( [file] => Ultra-bee-review-4-375x500.avif [width] => 375 [height] => 500 [mime-type] => image/avif [filesize] => 39880 ) ) [image_meta] => Array ( [aperture] => 0 [credit] => [camera] => [caption] => [created_timestamp] => 0 [copyright] => [focal_length] => 0 [iso] => 0 [shutter_speed] => 0 [title] => [orientation] => 0 [keywords] => Array ( ) ) )