Bike Specs
Dimension	2010mm x 850mm x 1180mm
Wheel base	1380mm
Seat Height	910mm
Curb Weight	88.5kg
Carry Capacity	100kg
Ground Clearance	315mm
Front Fork Travel	240mm
Rear Shock / Wheel Travel	85 / 240mm
Power System	PMSM, MTPA/MTPV Controller
Maximum Output (motor)	21kw
Maximum Torque (on wheel)	511n.m
Riding Mode	Eco/Daily/Sports/Reverse & Turbo modes
Assistance Functions	SRTC + BERS
Throttle Curve	Three Stage Adjustable
Battery Type	74V 60AH Lithium-ion Battery Pack
Charge Time	2.5 hours
Top Speed	95km/h
WMTC Road	115km@50km/h
Tyres Type	Front 80/100-19 off-road
	Rear 100/90-19 off road
Colour	Carbon Black or Desert Brown

1. 🚀 Powertrain & Performance

Motor and Power Output

Buy 2025 Surron Ultra Bee HP Dirt Bike In Europe second-generation high-performance mid-motor using advanced Hairpin winding combined with an MTPA/MTPV controller, significantly improving efficiency and heat management.

In Turbo Mode, it delivers a headline-grabbing 21 kW (~28 hp), while Sport Mode offers 18 kW, culminating in a peak wheel torque of around 510–511 N·m (≈376–377 ft·lb).

This places it firmly among the most powerful off-road electric bikes in its class.

Acceleration & Top Speed

• 0–50 km/h (0–31 mph) in roughly 2 seconds—instant, explosive thrust

• Claimed top speed of 59 mph (95 km/h)owners report peaks up to 94 km/h (≈58 mph) .

Riding Modes & Controls

2025 Surron Ultra Bee HP Dirt Bike Dealer In Europe provides six selectable ride modes—Eco, Daily, Sport, Turbo, Crawl (3 levels), and Reverse. It also includes 3-level adjustable throttle curves, recovery regen levels, and a refined Sur‑Ron Traction Control System (SRTC) with tiered slip regulation.

2. 🔋 Battery & Charging

Battery Specs & Configuration

Powered by a 74 V / 60 Ah (≈4.4 kWh) lithium-ion pack (4,070 Wh), it utilizes advanced pack design for reduced thermal stress, and achieves an industry-leading 200 Wh/kg energy density.

Charging Performance

• Fast charging: ~2.5 hours from 20–80% using the inline EV-grade charger .

• Full 0–100% recharge typically takes ~4 hours on the standard charger .

• The charger is conveniently stored under the seat, ready for use anywhere.

Real-World Range

• Manufacturer claims a WMTC range of ~140 km (~87 miles) at a steady 40 km/h (25 mph)

• Trail testing indicates:

  • Eco/Daily modes: ~105–80 km (65–49 mi)

  • Sport mode: ~70 km+ (43 mi+)

  • With two passengers: Eco ~70 km; Daily ~55 km

  • Maintaining ~40 mph on flat terrain yields ~30 miles per charge.

3. 🏗️ Frame & Chassis

Frame Design

Built on a rugged forged aluminum alloy frame and swingarm, weighing approximately 85 kg (187 lb) ready-to-ride, with a 100 kg (220 lb) payload capacity. Where can I Order 2025 Surron Ultra Bee HP Dirt Bike In Europe?

Dimensions & Ergonomics

• Compact yet agile footprint: 2,010 × 880 × 1,180 mm (~79.1″ × 34.6″ × 46.5″) with a 1,380 mm (54.3″) wheelbase

• Generous ground clearance: ~318 mm (12.5″)
• Tall saddle height: 910 mm (35.8″), though some users note this can feel restrictive for shorter riders

4. ⚙️ Suspension & Wheels

Upgraded Suspension

• Front: 37 mm inverted fork with 240 mm (9.4″) travel, improved rigidity by 50%

• Rear: TR Intersect monoshock, also with 240 mm travel, tuned for resilient damping (+30% resistance)

Wheels & Brakes

• • 19″ off-road wheels: 80/100 front and 100/90 rear, wire-spoked and trail-ready

  • Equipped with 240 mm hydraulic disc brakes front and rear for reliable, trail-side stopping .

5. ⛓️ Drive & Mechanical Features

Belt Drive System

Gone is the noisy chain: replaced by a carbon-fiber belt drive system with forged pulleys hardened by tungsten carbide (HV1000). Offers ~3× wear life and 60% greater durability than traditional belt drives.

Motor & Thermal Reliability

The Hairpin motor and optimized controller offer enhanced thermal performance—critical for high-output rides. Combined with regen braking, it conserves energy and extends component life .

6. 🧩 Electronics & Rider Interface

Display & Connectivity

The Ultra Bee includes an LCD digital dash, USB charging, and (depending on region) app support through its T-Box for remote view and OTA updates .Grey-market imports may lack full app integration. 2025 Surron Ultra Bee HP Dirt Bike Shop In Europe

Rider Aids

• Traction Control (SRTC): adjustable, off-road capable ASR slip control

• Energy Regen System (SERS): adjustable regen for hill control and energy recapture

7. 🧍 Rider Experience & Feedback

Real Feedback

• Owners praise its fit and finish and overall build strength, although some note lighter components (e.g., peg brackets) may occasionally fail. 2025 Surron Ultra Bee HP Dirt Bike Dealer In Europe

• Ride performance garners high marks: one happy owner said:

  “I was a little worried about the throttle … but it feels great … suspension is 1000 times better … when I say this bike is fast, it’s fast”

• • A few mention speed limiting at full charge (~99%) in Sport mode—likely firmware or region-based .

  • Grey-market advice: official dealers give full VIN/app support and warranty versus limited support from imports .

  Reliability & Maintenance

  • Frame and motor components are robust and reliable; regular upkeep (belt, brake pads) is essential .

  • Range varies with terrain, rider weight, and riding style. Seasonal/frequency use may reduce real-world range ~20–30%, especially in winter

9. ⚠️ Pros & Cons

✅ Strengths

• Industry-leading power: 21 kW Turbo, 510 N·m torque, 0–50 km/h in ~2s.

• Solid range: ≈70 km sport, 80–105 km in eco/daily modes.

• Durable chassis with excellent alloy strength.

• Advanced electronics and rider aids (SRTC/SERS/regenerative braking).

• Easy storage and charging with onboard charger under seat.

🟠 Caution Points

• Tall seat height may pose issues for shorter riders.

• Firmware speed limiters could constrain full potential.

• Grey-market imports risk losing app, OTA updates, and warranty support.

• Denser components add slightly more weight, though remain agile.

• Real-world battery range varies based on conditions (load, terrain, speed, temperature). Where can I Order 2025 Surron Ultra Bee HP Dirt Bike In Europe?

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10. 🔍 Comparisons & Alternatives

• Compared to previous Ultra Bee (2023/2024), the 2025 HP offers +68% peak power and +16% torque, plus a dedicated Turbo button.

• Riders debate versus competitors like the Talaria MX5 or Light Bee X; opinions vary, but Ultra Bee HP is noted for its power superiority, albeit taller than smaller models.

• More off-road-focused than Stark Varg or other moto-style electric bikes—though those may offer more suspension travel and road orientation. 2025 Surron Ultra Bee HP Dirt Bike For Sale In Europe

11. 🧭 Final Thoughts

The 2025 Sur‑Ron Ultra Bee HP emerges as a trailblazing electric dirt bike, raising the bar for power, agility, and off-road capability in its category. Its 21 kW + 510 N·m torque, dual fast chargers, advanced suspension, belt drive, and refined electronics make it a compelling choice for riders who demand serious performance—without fuel or noise. 2025 Surron Ultra Bee HP Dirt Bike Dealer In Europe

However:

• Its height and torque may require experience to tame, and real-world range depends heavily on riding style.

• Best purchased through official dealer channels to secure warranty and full features.