The KingSong S18 Pro+ brings a meaningful upgrade to a much-loved 18-inch platform. You get a high-discharge Samsung 50S battery, a 2200 W (5000 W peak) hollow-bore motor, and a refined, highly adjustable air suspension. It is built for riders who want comfort and control on rough city streets and light trails, without moving up to a heavier 20″ machine.
Key features
- Battery: 1110 Wh, 72 V, Samsung 50S 21700 cells
- Motor: 2200 W rated, 5000 W peak, hollow-bore
- Suspension: variable linkage with a DNM AOY 36RC air shock
- Speed: 50 km/h on private property; 25 km/h on public roads in the EU
- Range: up to 100 km claimed, with 60–80 km realistic in mixed riding
- Lighting: 1600 lm headlight with integrated brake lights and turn signals
- Connectivity: Bluetooth app for stats, tuning, and diagnostics
- Water protection: IP54 splash resistance
- Fast charging supported, with optional higher-amp chargers
Performance and ride experience
Power and climbing: the 2200 W hollow motor delivers quick launches, confident traffic sprints, and steady hill climbs, even for heavier riders. Expect surefooted torque on ramps, bridges, and steeper paths, rated at 35–40°.
Range and battery behaviour: the Samsung 50S pack sustains power under load and reduces voltage sag compared with earlier S18 versions. Most riders see 60–80 km per charge in mixed use.
Suspension comfort: the revised linkage and DNM AOY 36RC air shock take the sting out of potholes and cobbles. Set pressure and rebound to taste — softer for city comfort, firmer for control on dirt tracks.
Handling: at about 25 kg the S18 Pro+ stays nimble. It threads through traffic like a smaller wheel while riding with the stability you expect from an 18″ tire.
Design and lighting
The S18 platform is unlike any other unicycle in the way it looks, but the design is also packed with comfort improvements and better ergonomics. The headlight puts out 1600 lm across two beam modes — high (2 × 5 W) and short (2 × 4 W) — with an intelligent sensor switching between them.
Pros and cons
Pros
- Comfortable, tunable suspension
- High-discharge 50S cells hold power under load
- Strong hill climbing and acceleration
- Bright, practical lighting package
- Manageable ~25 kg for an 18″ wheel
- Good value against larger premium wheels
Cons
- IP54 only — avoid heavy rain and submersion
- Range is not class-leading
- Maintenance is more involved than on a non-suspension wheel
Who is this wheel for?
- Experienced riders who want suspension comfort without 20″ bulk
- Daily commuters facing broken asphalt, cobbles, and curbs
- Weekend explorers on park paths and light off-road
Less suited to: long-range touring, or riders chasing maximum power, who are better served by heavier 20″ high-capacity models.
Conclusion
The S18 Pro+ is a smart refresh of KingSong's agile 18″ platform. With a sturdier battery, stronger motor, and better-tuned suspension, it delivers everyday comfort and confident performance at a competitive price. If you want a balanced, do-it-all 18″ suspension EUC for city and light off-road, it deserves a top spot on your list.
Technical specifications
Performance & Range
| Motor power | 2200 W |
| Battery capacity | 1110 Wh |
| Top speed | 50 km/h |
| Range | 70 km |
| Charging time | 6 h |
Ride & Handling
| Tire size | 18 in |
| Suspension | Yes |
| Max gradeability | 40 % |
| Pedal height | 110 mm |
Design & Features
| Weight | 25 kg |
| Max load | 120 kg |
| Dimensions | 557(H) x 530(L) x 200(W) |
| Bluetooth music | No |
| LED lights | No |
What's in the box
Everything you need to get started.
- Charger and AC Cable
- User Manual + CE Certificate
- Air Pump and Brick for the suspension
Compare with others
| Specification |  KingSong S18 Pro+€1,889 |  Nosfet Xeno€2,999 |  KingSong S22 PRO+€2,499 |  KingSong S19 Pro€2,099 |
|---|---|---|---|---|
| Motor powerDiffers | 2200 W | 2500 W | 4000 W | 3500 W |
| Battery capacityDiffers | 1110 Wh | 2200 Wh | 2200 Wh | 1776 Wh |
| Top speedDiffers | 50 km/h | 75 km/h | 70 km/h | 60 km/h |
| RangeDiffers | 70 km | 100 km | 90 km | 90 km |
| WeightDiffers | 25 kg | 33 kg | 35 kg | 32 kg |
| Tire sizeDiffers | 18 in | 20 in | 20 in | 18 in |
| Max gradeabilityDiffers | 40 % | — | 40 % | 40 % |
| Pedal heightDiffers | 110 mm | — | 231 mm | 231 mm |
| Charging timeDiffers | 6 h | — | 4 h | 3.5 h |
| DimensionsDiffers | 557(H) x 530(L) x 200(W) | — | 693/747(H) x 582(L) x 330/465(W) | 790(H) x 540(L) x 320(W) |
| Bluetooth musicDiffers | No | No | No | Yes |
| LED lightsDiffers | No | No | No | Yes |
| Max load | 120 kg | 120 kg | 120 kg | 120 kg |
| Suspension | Yes | Yes | Yes | Yes |
MyEWheel Expert Review
Reviewed by Andrey, MyEWheel CEOExpert
4.3
The KingSong S18 Pro+ is the version of KingSong’s original suspension wheel that finally makes the concept feel complete. Its most important upgrade is not another headline speed figure, but the 1110 Wh Samsung 50S battery. These high-discharge cells address the original S18’s limited power reserve under hard acceleration and at lower charge, giving the 2200 W motor a stronger and more consistent foundation. The result is a much better match for the chassis: an 18×3-inch wheel, approximately 25 kg weight and 100 mm adjustable air suspension that remains unusually agile for a full-suspension EUC. The S18 Pro+ should appeal to riders who want real comfort on broken city streets and light trails without moving to a 30–40 kg machine. Its wide tire, relatively low mass and tunable linkage create a more playful character than most modern suspension wheels, while the Smart BMS and revised controller improve everyday confidence. The compromises are clear. The 1110 Wh battery is modest for long touring, 50 km/h should be treated as a ceiling rather than a cruising speed, and the air shock and linkage require correct setup and more maintenance than a simple non-suspension wheel. It is also not the best choice for riders seeking maximum torque or sustained high-speed headroom. For mixed urban riding, rough cycle paths and recreational trails, however, the S18 Pro+ offers one of the best combinations of suspension comfort, manageable weight and responsive handling in its class.
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Questions & Answers
How fast can the S18 Pro+ go?
MyEWheelUp to 50 km/h on private property. For public roads in most EU countries, the limit is 25 km/h. Always check and follow local laws.
What real-world range should I expect?
MyEWheelMost riders see 50–80 km in mixed conditions. Terrain, rider weight, temperature, speed, and tire pressure all influence range.
Is the suspension difficult to set up?
MyEWheelNo. Use a shock pump to set pressure for your weight, then fine-tune rebound. Recheck pressures monthly or after big temperature swings.
Can I ride in the rain?
MyEWheelThe S18 Pro+ is IP54 (splash resistant). Avoid heavy rain, pressure washers, and deep puddles. Dry the wheel after wet rides and store indoors.
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KingSong S18 Pro+
€1,889
