Product comparison · Electric Scooters
Segway F3 vs NIU KQi Air X
The Segway F3 scores 6.6 and ranks 5th of 47 in Electric Scooters; the NIU KQi Air X scores 6.0 and ranks 12th of 47 in Electric Scooters. The F3 leads on ride hardware, the KQi Air X on weight.
All 12 Segway products 
Segway F3
$850 · 5th of 47 in Electric Scooters
Buy Now- Ride Hardware — 8 against 3
- Motor — 6 against 4
All 7 NIU products 
NIU KQi Air X
$1,049 · 12th of 47 in Electric Scooters
Buy Now- Weight — 10 against 6
- Verification — 8 against 6
Across everything we scored, Segway F3 sits 0.55 ahead — led by ride hardware.
Verdict
F3 ahead · +0.55 (6.6 vs 6.0)Pick the Segway F3 when
Ride hardware matters8vs3
Motor matters6vs4
Features matters9vs8
Pick the NIU KQi Air X when
Weight matters10vs6
Verification matters8vs6EN 17128 certified only on the KQi Air X
Scored 19 October 2026 from published specs and owner reviews. We don't buy or test units. How we score
Usability Segway F3 and NIU KQi Air X, scored 0 to 10
Ride HardwareSegway F3: 8 (higher)NIU KQi Air X: 3
Segway F3
- front disc and rear electronic brake, suspension front and rear, 10-inch tubeless tires, traction control
NIU KQi Air X
- front mechanical disc, rear regen, no suspension, 9.5-inch tubeless tires
WeightSegway F3: 6NIU KQi Air X: 10 (higher)
Segway F3
- 42.3 lb
- Conflict: segway.com lists 38.6 lb; the US manual lists 42.3 lb
NIU KQi Air X
- 25.8 lb with the battery
VerificationSegway F3: 6NIU KQi Air X: 8 (higher)
Both: UL 2272 listed; only the NIU KQi Air X: EN 17128 certified.
Segway F3
- TÜV Rheinland UL 2272 certificate CU 72508441 names the F3, model 051701U
- Searched: Certipedia UL Intertek SGS TÜV SÜD CPSC Health Canada
- Record: TÜV Rheinland Certipedia, ANSI/CAN/UL 2272:2024, 051701U, 051701A, 051701E, 051701D, Ninebot
NIU KQi Air X
- UL 2272 certificate UL-US-2353926-0 names the KQi Air X; EN 17128 AK 50614613 is the second record
- Searched: UL Solutions certificate (hosted copy) UL Certipedia Intertek SGS TÜV SÜD CPSC Health Canada
- Record: UL Solutions certificate (hosted copy), UL 2272, Ed. 1 (2016-11-21, rev. 2019-02-25), KQi Air, KQi Air X, Jiangsu niu Electric Technology Co., Ltd
- Record: UL Product iQ, ANSI/CAN/UL 2272 (FKIS, Electrical Systems for Personal E-Mobility Devices), KQi Air X, KQi Air, Jiangsu niu Electric Technology Co., Ltd
- Record: TÜV Rheinland Certipedia, EN 17128:2020, KQi Air; KQi Air X, Jiangsu Niu Electric Technology Co., Ltd
MotorSegway F3: 6 (higher)NIU KQi Air X: 4
Segway F3
- 450 W nominal rear hub
- Peak: 1,000 W claimed, not scored
NIU KQi Air X
- 350 W nominal rear hub
- Peak: 700 W claimed, not scored
FeaturesSegway F3: 9 (higher)NIU KQi Air X: 8
Segway F3
- one-step fold, lights, turn signals, Apple Find My, display, IPX6, cruise control
NIU KQi Air X
- lights, turn signals, app lock, display, IP55, cruise control
- Fold: two-step stem fold, not one-step
Same score
BatterySegway F3: 5NIU KQi Air X: 5
Segway F3
- 477 Wh (46.8 V, 10.2 Ah) on the commuter ladder
NIU KQi Air X
- 451.2 Wh (48 V label, Ah not published) on the commuter scooter ladder
Warranty & SupportSegway F3: 5NIU KQi Air X: 5
Segway F3
- two years per the store
- Basis: no F3 agreement found; store page states a two-year limited warranty
NIU KQi Air X
- two years on battery and motor
Not scored for either
- ValueSegway F3: not scoredNIU KQi Air X: not scored
Social score about the Segway F3 and the NIU KQi Air X
RedditSegway F3: 7 (higher)NIU KQi Air X: 6
The Segway F3 reading covers its product line; the NIU KQi Air X reading covers its product line.
Segway F3
Read the full summary
- Product-line. r/ElectricScooters: an F3 Pro owner praises the stable hydraulic front shock and smooth power but finds TCS less linear and the e-brake needing tuning (May 2025)
NIU KQi Air X
Read the full summary
- Product-line. r/ElectricScooters: an Air X owner likes it but avoids cobblestones for fear of the carbon frame (Oct 2025)|A two-year KQi Air owner calls it a great ride with terrible firmware and features (Mar 2026)|Another calls the KQi Air the most brilliant scooter on sale (Feb 2026)
GoogleSegway F3: 6NIU KQi Air X: 7 (higher)
The NIU KQi Air X reading covers its product line.
Segway F3
Liked
- quick acceleration
- front suspension
- navigation
Complaints
- cuts out on steep hills
- slow charging
- short real range
Read the full summary
- Product.
- RK9 Rides (unit source not stated, affiliate links) measured 17.1 mi minimum range and 20 mph; the scooter cut power on steep hill climbs (Feb 2026)
NIU KQi Air X
Read the full summary
- Product-line.
- ERideHero (earns commissions) rode the KQi Air, the same design with a slightly heavier frame, 400+ mi: 20.1 mph, 24.2 mi at 15 mph and a 12.4 ft stop from 15 mph (Apr 2024); the Air X itself is not tested
YouTubeSegway F3: not scoredNIU KQi Air X: 6
No usable source for the Segway F3; the NIU KQi Air X reading covers the whole brand.
Segway F3
Nothing recorded.
NIU KQi Air X
Read the full summary
- Brand-level.
- Electric Scooter Guide (measures, does not always buy; affiliate links) keeps an NIU playlist and calls the KQi Air game-changing in its first look at the Air and Air X (Sep 2023)
AmazonSegway F3: 7 (higher)NIU KQi Air X: 4
The NIU KQi Air X reading covers the whole brand.
Segway F3
Read the full summary
- Product.
- Segway's own Amazon store listing for the F3 shows 4.2 stars from 126 ratings (Oct 2026)
NIU KQi Air X
Read the full summary
- Brand-level.
- NIU's Amazon store, selling as NIU Tech. and NIU Global, groups its KQi scooters in shared listing families rated 3.3 to 4.1 stars on 10 to 233 ratings (Oct 2026)
Segway F3 vs NIU KQi Air X: pros and cons
Segway F3
Overall score 6.6Strengths
- Navigation and call alerts on the display
- Cruise control for long straight stretches
- Rated for heavy rain
- Self-sealing tires resist flats
- Hydraulic front suspension smooths rough streets
Drawbacks
- Power cuts out on steep hills
- Front brake is only adequate
- Slow to charge
- Real range far below the claim
NIU KQi Air X
Overall score 6.0Strengths
- Very light to carry upstairs
- Carbon fiber frame feels solid
- NFC card unlock and app lock
- Lights and turn signals built in
- Wide deck and handlebars for comfort
Drawbacks
- No suspension so rough roads jar
- Single front disc brake
- Smaller tires feel bumps more
- Owners criticise firmware quirks
- Premium price for the battery size
Segway F3 vs NIU KQi Air X: the numbers
Price, scores and rank, then only the specs that differ. Green marks the side with more.
- Range (claimed)Segway41-60 miNIU26-40 mi
- WeightSegway41-55 lbNIUUp to 40 lb
- SuspensionSegwayFullNIUNone
- Safety listingsSegwayUL 2272 listedNIU MoreUL 2272 listed, EN 17128 certified
Same on both
- CommuterType
- Not listedE-bike class
- 401-600 WhBattery
- Single motorMotor
- Up to 20 mphTop speed (claimed)
- 251-300 lbMax rider load
- Mechanical discBrakes
- FoldsFolding
- 2 YearsWarranty
We earn a commission if you buy through these links. It never changes a score.
Not sold on either one?
The top-scored and the cheapest other pick from each brand.
More from Segway 7 scored in Electric Scooters
- Battery: 1,501-2,500 Wh, not 401-600 Wh
- Motor: Dual motor vs single motor
- Battery: Up to 400 Wh vs 401-600 Wh
- Brakes: Drum vs mechanical disc
More from NIU 4 scored in Electric Scooters
- Battery: 601-800 Wh, not 401-600 Wh
- Suspension: Front vs none
- Battery: Up to 400 Wh vs 401-600 Wh
- Brakes: Drum vs mechanical disc
Segway F3 vs NIU KQi Air X: common questions
Is the Segway F3 better than the NIU KQi Air X?
On our scores, the Segway F3 is ahead, 6.6 against 6.0. The Segway F3 leads on ride hardware (8 against 3), motor (6 against 4) and features (9 against 8). The NIU KQi Air X leads on weight (10 against 6) and verification (8 against 6).
Which is cheaper, the Segway F3 or the NIU KQi Air X?
The Segway F3, at $850 against $1,049: $199 less.
Which has more safety listings, the Segway F3 or the NIU KQi Air X?
The NIU KQi Air X. The Segway F3 lists UL 2272 listed; the NIU KQi Air X lists UL 2272 listed and EN 17128 certified.
What do owners say about the Segway F3 and the NIU KQi Air X?
Across 3 independent sources scored for both, the Segway F3 is ahead on Reddit and Amazon; the NIU KQi Air X is ahead on Google.
More electric scooters comparisons
More head-to-heads with these two, plus the full brand comparison.
Scores calculated 19 October 2026 · Products excluded where fewer than two independent sources cover them · · How we score