King Song S16Pro Electric Unicycle 25 MPH
- Item Weight: 70.11 pounds
- Color: Orange
- Wheel Size: 16 inches
- Maximum Weight Recommendation: 246 pounds
Last refreshed Jun 21, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A UL2272 certified one-wheel commuter with app-guided calibration, suited to riders who already have some self-balancing experience rather than complete beginners.
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ASIN: B0G1LYNV8TModel: S16ProCategory: Unicycles
Overview
The KingSong S16Pro is a self-balancing electric unicycle for adults, UL2272 certified with 11 built-in safety shields, rated for a 25 mph top speed and up to 50 miles of range. Listed here under the Topfeel storefront, it targets riders who already have EUC experience.
This listing carries the Topfeel brand tag while the product itself is a KingSong S16Pro, a common arrangement where a reseller storefront lists a manufacturer's model. The spec sheet leans on safety certification and app-based calibration rather than raw speed, and a companion catalog entry (B0G4R6X7CC) lists the same S16Pro directly under the King Song name.
- UL2272 certified with 11 integrated safety shields
- 25 mph top speed with 35 degree hill climbing
- Up to 50 mile range per charge
- KingSong app for beginner mode and tilt calibration
Who it's for
Adults who already know how to balance on a single-wheel EUC and want a compact commuter for city trips. It is not built as a first EUC for someone who has never ridden one.
Pros and cons
- UL2272 certified with 11 integrated safety shields
- Up to 50 miles of range on a charge
- Folds compactly for car trunk or elevator storage
- App-based beginner mode and tilt calibration
- No handlebar, so it demands real balance skill
- Single-wheel EUCs have a steeper learning curve than two-wheel scooters
Performance notes
Balance runs through onboard gyroscopic sensors that the KingSong app calibrates for tilt sensitivity and offers a beginner mode for new riders. The 35 degree climbing figure and 25 mph top speed point to a motor tuned for short steep grades and city bursts rather than sustained long-distance cruising.
Specifications
| Brand | Topfeel |
|---|---|
| Model | S16Pro |
| Dimensions & fit | |
| Item Weight | 70.11 poundshigher than 97% of 32 unicycles |
| Wheel Size | 16 inches |
| Maximum Weight Recommendation | 246 pounds |
| Item Dimensions L X W X H | 21.3 × 9.1 × 24.4 inches |
| Capacity & performance | |
| Age Range Description | Adult |
| Maximum Speed | 25 Miles per Hour |
| Power & efficiency | |
| Wattage | 5000 watts |
| Battery Charge Time | 4 hours |
| Construction & materials | |
| Color | Orange |
| Material | Aluminum Alloy+ ABS+PC |
| Included components | |
| Included Components | Electric Unicycle |
| Warranty & support | |
| Warranty Description | 1 year |
| Other details | |
| Special Features | Portable |
| Recommended Uses For Product | Outdoor |
| Style | City Commuter |
Closest rivals on specs
King Song 18XLPro Electric Unicycle- Item Weight 70.11 vs 56 pounds (+25%)
King Song 20 Inch Electric Unicycle- Item Weight 70.11 vs 90.39 pounds (-22%)
Frequently asked questions
What is the top speed of the KingSong S16Pro?
The listing states a 25 mph top speed with a 35 degree climbing rating.
How far can it go on one charge?
Up to 50 miles, per the listed battery specs.
Does the S16Pro pair with an app?
Yes, the KingSong app offers a beginner mode and tilt calibration.