A Beastly City Commuter With Unmatched Hill-Climbing Power

Jun 24, 2026 by KuKirinEU

 

Posted by Avi Express | E-Scooter Testing & Honest Gear Reviews

Introduction

For years, Kukirin’s G2 lineup has been my absolute favorite electric scooter series when balancing raw performance and accessible pricing. While single-motor G2 models already deliver great daily riding, swapping to a dual-motor setup transforms the scooter into an absolute powerhouse. Today, we’re diving deep into the Kukirin G2 Ultra — the flagship dual-motor variant in the iconic G2 range — with a complete hands-on breakdown of its build, comfort, power, braking, real-world ride experience, and value proposition.
Disclaimer upfront: This high-performance dual-motor scooter does not comply with French and most European road traffic regulations for legal public road use. All testing below is conducted for demonstration purposes only; always check local e-scooter laws before purchasing or riding high-wattage models.

Build & Construction: Sturdy Aluminum-Steel Hybrid Frame

The Kukirin G2 Ultra uses a blended aluminum alloy and steel frame weighing 30 kg total. The frame is cast as a near monolithic piece with minimal welded joints, boosting structural rigidity and reducing flex during hard braking or aggressive acceleration.
  • Max load capacity: 120 kg, built to support heavier riders without frame sag
  • Water resistance rating: IPX4 — shields against road spray, rain splashes, and shallow puddles. Submerging the scooter in deep water will damage electrical components, so avoid deep standing water.
Comparing design to other G2 models: My personal aesthetic pick remains the G2 Max, thanks to its refined suspension geometry. The G2 Ultra shares nearly identical adjustable suspension hardware with the G2 Max but uses a simplified swingarm design.

Deck & Foldable Mechanism

The deck is ultra robust, measuring 46 cm long × 19 cm wide, with a metal rear foot peg for stable rear-foot positioning and tricks like wheelies.
 
Its standout feature is a two-split folding stem — a design I rarely see on comparable scooters. While aerodynamic gains are negligible, the narrowed central stem profile drastically cuts frame distortion under heavy braking, eliminating unstable wobble during hard stops.

Lighting, Controls & Display

The G2 Ultra comes fully equipped with city commuter lighting and intuitive handlebar controls:
  • Front headlight, small front left/right turn signals, integrated rear brake light with matching rear turn signals
  • Oversized 30 cm wide handlebar paired with a large, easy-to-read central dashboard
  • Key ignition lock (preferred by me over RFID cards, as physical keys are simple to duplicate)
  • Basic rubber hand grips with dedicated controls laid out ergonomically: horn button, left/right turn signal toggle, headlight switch, and twist throttle
  • Variable-speed twist accelerator: You can modulate speed gently with light wrist pressure or unleash full power with a firm grip; low-speed cruising (5–10 km/h) is totally manageable for new riders.

Tires & Ground Clearance

10-inch tubeless tires feature a city-focused tread pattern optimized for water evacuation on wet asphalt. Ground clearance is generous enough to roll down standard curbs without scraping the undercarriage — only extremely tall curbs (25 cm+) create minor contact when the suspension fully compresses mid-drop.

Comfort & Ride Quality: Best-In-Class Daily Commuting

Comfort is where the G2 Ultra truly shines, thanks to its wide deck, responsive suspension, and dual-motor torque that eliminates uphill struggles entirely.
  1. Spacious Riding Position
     
    The 19 cm wide deck lets riders stand feet parallel for casual cruising. However, the scooter’s explosive acceleration requires a staggered front-back foot stance to balance weight and stay stable during full-throttle bursts. At 177 cm tall and 70 kg, I fit the handlebar height perfectly with no need for adjustments.
  2. Tunable Suspension Travel
     
    The adjustable dual suspension delivers firm, controlled travel rather than soft, plush cushioning. At my weight, the scooter holds its height static with no sag while parked. It only compresses over speed bumps, potholes, and curbs, absorbing urban road imperfections smoothly without excessive bounce.
  3. Game-Changing Dual-Motor Hill Performance
     
    This is the biggest advantage of the dual-motor layout, and it separates the G2 Ultra from every single-motor competitor in the lineup:
  • Single-motor scooters (even the 1000W G2 Max) lose 5–15 km/h climbing steep gradients and often slow to a crawl on sharp hills.
  • The G2 Ultra accelerates uphill. During testing on an extremely steep local incline, I held steady at 25 km/h and kept climbing up to 30 km/h with consistent power delivery. No slowing down, no laboring motors, no need to dismount and push the scooter up slopes. For anyone living in hilly areas, this feature alone justifies the upgrade to dual motors.
  1. Additional Comfort Perks
  • Cruise control locks low speeds (15 km/h and under) for relaxed uphill cruising without constant throttle input
  • Low vibration transfer even over rough broken pavement, reducing rider fatigue on long trips
  • Balanced weight distribution; the 30 kg frame is heavy to carry up stairs but compact enough for indoor storage post-folding
Minor comfort downsides: The small front turn signals are faint and hard to spot in direct sunlight, while rear lights offer far better visibility to other road users. Light front wheel slip can occur during maximum acceleration as weight shifts rearward and unloads the front motor — easily corrected by shifting weight forward slightly and not a dangerous flaw.

Power, Speed & Performance: Dual 800W 48V Motor Setup

Core powertrain specs: Twin 800W 48V motors (total peak 1600W), built into front and rear wheels. Many riders ask whether to pick the 1000W single-motor G2 Max or even the 1200W G3 instead — here’s the honest breakdown:
  • Top speed difference is minimal: The G2 Max hits ~45 km/h, while the G2 Ultra peaks at roughly 47–49 km/h (I hit 49 km/h with a partially drained battery on a slight downhill). Single-motor variants only gain 3–5 extra km/h at maximum speed.
  • Torque and acceleration are night-and-day different. All-wheel traction delivers sports-car-like launch feel, comparable to a 4WD vehicle’s grip off the line. Instant power hits at every throttle input, yet low-speed maneuvering stays smooth and predictable for beginners.

Battery & Range

A large integrated 18Ah battery sits fully enclosed within the deck:
  • Estimated real-world range: ~50 km under moderate single-motor cruising speeds
  • Range drops below 50 km when running both motors at full power (higher energy consumption from dual drivetrains)
  • For reference: The single-motor G2 Max carries a larger battery and can reach nearly 70 km on gentle rides, trading hill power for longer distance. Range will always shift based on rider weight, terrain, and throttle usage.

Braking Performance: Front & Rear Mechanical Disc Brakes

Hydraulic brakes would raise the retail price significantly, so Kukirin fitted reliable mechanical dual disc brakes front and rear. While exact disc size needs formal specs confirmation, braking testing results are impressive:
  • Stopping distance from 25 km/h: Under 4 meters
  • Stopping distance from 40 km/h (standard testing speed): ~10 meters
     
    Factory calibration is polished with no grabby, jerky brake response. The rear wheel locks first under hard pressure; the front wheel resists locking under regular emergency stops and only skids under extreme, reckless braking force. No persistent brake squeal during daily riding.

Folding & Practicality

The two-piece stem folds quickly by depressing a side lever and releasing the locking pin. The folding system is simple and reliable, but the 30 kg weight makes lifting the scooter awkward for smaller users or anyone carrying it up multiple flights of stairs. It remains compact enough to store in apartment entryways, car trunks, or office storage closets when folded flat.

Design Downsides To Note

  • Visually less polished than the G2 Max, with a bulkier lower frame section
  • Minor dashboard readout inconsistency: The screen briefly displayed 29 km/h mid-test when GPS tracking confirmed I hit nearly 49 km/h (likely slight calibration variance or downhill momentum impact)
  • Tread lacks deep aggressive knobs, limiting off-road traction on mud or loose gravel — this scooter is engineered primarily for paved city roads

Final Verdict: Who Should Buy The Kukirin G2 Ultra?

The Kukirin G2 Ultra stands out as one of the best value high-performance electric scooters available right now, delivering an unmatched price-to-performance ratio. It’s my top pick in the entire Kukirin G2 lineup, edging out single-motor G2 and G3 models for hilly urban environments thanks to its dual-motor torque.

Perfect for:

  • Commuters living in steep, hilly cities who hate slow uphill climbs
  • Riders craving blistering acceleration and all-wheel traction
  • Hobbyist scooter enthusiasts who prioritize raw power over maximum legal compliance
  • Users who want a rigid, low-maintenance frame with solid daily comfort

Not ideal for:

  • Riders needing lightweight scooters for frequent stair carrying
  • Users strictly requiring fully road-legal EU/FR compliant low-wattage e-scooters
  • Off-road riders seeking deep-tread, rough-terrain tires
If you value instant uphill power, stable braking, and a comfortable wide deck over marginal top-speed gains, the G2 Ultra is unbeatable. While its design isn’t as sleek as the G2 Max, its dual-motor dynamic performance makes it a true speed beast worth every penny. The entire Kukirin G2 range consistently delivers fantastic build quality with zero recurring negative feedback from my test fleet — the brand clearly excels at crafting reliable high-power scooters.

Closing Notes

Check the video description link in my original Avi Express YouTube review to view current real-time pricing for the Kukirin G2 Ultra, plus links to my full test coverage of every other Kukirin electric scooter model I’ve reviewed so far. Drop all your questions about the G2 Ultra in the comment section below, and I reply to every subscriber query. Hit like and subscribe for more unbiased e-scooter performance tests coming soon!
 
See you on the next ride test — cheers!