OVERVIEW: SURRON ULTRA BEE R (ROAD‑LEGAL)

Surron Ultra Bee R Road Legal

INTRODUCTION

The Surron Ultra Bee R is part of Surron’s acclaimed Ultra Bee lineup, engineered as a road‑legal electric dirt bike that blends robust off‑road performance with street-friendly compliance. Tailored for riders seeking versatility—commuting during the week and hitting trails on weekends—it brings impressive power, agility, and innovation in one compact package .

ROAD‑LEGAL FEATURES

Unlike its strictly off‑road variants, the Ultra Bee R is certified for street use (commonly in L3E or similar categories). It comes fully equipped with lights, indicators, mirrors, and number plate mounts, complying with regulations in many markets like Europe . Many users in places like the U.S. note extra steps (e.g., document translation, certification) may be required to get it officially registered .

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POWERTRAIN AND PERFORMANCE.

MOTOR AND TORQUE

Features a Permanent‑Magnet Synchronous Motor (PMSM) with peak output of 12.5 kW and prodigious 440 Nm of torque—ideal for rapid acceleration and responsive throttle delivery .

SPEED & RANGE

Top speed exceeds 90 km/h (56 mph)—sufficient for urban and suburban commuting .

Range varies depending on speed and terrain:

Up to 140 km at ~40 km/h (87 miles) .

Real-world combined range: ~100 km at ~50 km/h, per some markets .

BATTERY & CHARGING

Battery Pack: 74 V / 55 Ah lithium-ion, around 4.07 kWh / 4070 Wh. Removable for convenient indoor charging .

High power density: ~200 Wh/kg, weighing ~20 kg, with excellent cycle life (≥ 1,500 cycles retaining 80% capacity) .

Charging time: Approximately 4 to 4.5 hours from 0 to 100% using standard fast charger .

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CHASSIS, SUSPENSION & ERGONOMICS.

FRAME & DIMENSIONS

Constructed from forged aluminum alloy, providing exceptional strength-to-weight ratio and a low center of gravity .

Weight:

Off‑road “MX” variants: ~85 kg (187 lbs) .

Ultra Bee R (road‑legal): ~93 kg curb weight .

Maximum load capacity: ~100 kg—adequate for rider plus modest gear .

Dimensions:

Length × width × height: approx 2060 × 880 × 1178 mm .

Wheelbase: ~1380 mm .

Seat height: ~910 mm .

Ground clearance: ~318 mm .

SUSPENSION & HANDLING

Front: 37 mm inverted fork with 240 mm travel, fully adjustable .

Rear: Adjustable monoshock (TR Intersect) with 240 mm travel .

Soft steering bumpers improve crash protection and durability .

WHEELS & TYRES

Standard off‑road setup: 19″ wire‑spoke rims: front 80/100‑19, rear 90/90‑19 .

Ultra Bee R (road‑legal) uses all‑terrain tyres: front 90/90‑19; rear deeper tread 120/80‑18 for enhanced road grip .

Wider rims support better lateral grip and stability .

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RIDER AIDS & CONNECTIVITY.

DRIVE MODES

Four selectable modes offer tailored riding experiences:

Eco, Daily, Sport, and Reverse .

Enables precise control whether cruising, commuting, or battling obstacles.

TRACTION & REGEN CONTROL

Surron Traction Control System (SRTC) gives multi-level traction settings .

Braking Energy Regeneration System (BERS) enhances braking response and recovers energy .

DASHBOARD & DIGITAL FEATURES

Integrated LCD display shows speed, battery, trip data, odometer, etc. .

USB port, horn, LED lights, fenders, and number‑plate mount included in road‑legal models .

Optional IoV (Internet of Vehicle) system offers app connectivity, GPS anti‑theft, OTA updates, ride logs, and remote diagnostics .

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BRAKING & SAFETY

Brakes: Dual hydraulic discs, 240 mm diameter; off‑road models use 4‑piston calipers; road‑legal may feature 2‑piston setups .

Regenerative braking (EABS) adds additional control and efficiency .

Equipped with LED indicators, headlight, and taillight for road safety compliance .

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ROAD‑LEGALITY & CERTIFICATION

EUROPE (EEC / L3E)

Ultra Bee R is certified under EEC L3E category, complete with Certificate of Conformity (COC)—enabling vehicle registration and issuance of identity in some jurisdictions .

Some dealers assist with registration at additional cost (e.g., CIV document, ~€200) .

NORTH AMERICA (USA)

Road‑legal intent is clear, but homologation varies by state.

Some riders encountered registration challenges in e.g., California and Florida despite the bike being imported with VIN and paperwork .

Some overcame obstacles via certified translation, VIN verification, or registering as a moped—though limitations (speed caps, inspection) apply .

UK / OTHER COUNTRIES

In some regions like the UK, insurance and licensing for electric bikes like the Ultra Bee R can be complex and expensive .

Modifications that increase power may affect legality—even “stock” off‑road versions could be illegal if restrictions are tampered with .

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PRACTICAL CONSIDERATIONS & USER INSIGHTS.

USE CASES & VERSATILITY

Designed for commuters and recreational riders alike—commuting during weekdays, hitting trails on weekends .

Balanced geometry and suspension make it adaptable and confidence‑inspiring for multi-terrain use.

MAINTENANCE & SUPPORT

Electric drivetrain lowers maintenance compared to ICE bikes—no oil changes, simplified systems .

Warranty varies: often 1 year for the bike, batteries, controllers, some regions offer longer coverage (e.g., 2 years) .

Surron Ultra Bee R Road Legal

Support and parts availability depend on dealership and region—requires buyer diligence.

COMMUNITY FEEDBACK

Owners in forums often praise its utility but caution about load limits:

> “Surron’s site has max capacity for the Ultra Bee listed at 100 kg.”
“30 kg is a lot… the sub‑frame… might break… probably dangerous.”