niu.com 
amazon.com 
walmart.com | Product Information | |
|---|---|
| Brand | NIU |
| Name | KQi Air |
| Release Quarter | Unknown |
| Motor | |
| Top Speed | 20 MPH |
| Motor(s) | Rear |
| Watts (nominal) | 350W |
| Watts (peak) | 700W |
| Max Incline | 17° |
| Ideal Incline | 15° |
| Battery | |
| Max Range | 31 miles |
| Battery Type | Lithium-ion |
| Voltage | 48V |
| Amp-hours | 9.4 Ah |
| Battery Capacity | 451.2 Wh |
| Charge Time | 5 hrs |
| Cell Brand | Unknown |
| Dimensions & Weight | |
| Deck Length | 18.5" |
| Deck Width | 7.5" |
| Ground Clearance | 2.9" |
| Handlebar Width | 21.3" |
| Unfolded Width | 21.3" |
| Unfolded Height | 46.7" |
| Unfolded Depth | 44.9" |
| Folded Width | 21.3" |
| Folded Height | 18.9" |
| Folded Depth | 44.9" |
| Adjustable Handlebar | No |
| Deck-to-Handlebar Height | 39.8" |
| Weight | 26.4 lbs |
| Weight Limit | 265 lbs |
| Ride Characteristics | |
| Terrain | Street |
| Footrest | No |
| Tire Type | Pneumatic |
| Pneumatic Type | Tubeless |
| Tire Size (Front) | 9.5" |
| Tire Size (Rear) | 9.5" |
| Tire Width | 2.3" |
| Suspension | None |
| Safety & Durability | |
| Brakes | Disc (Mechanical), Electronic |
| Fold Location | Stem |
| Lights | Both |
| IP Rating | IP55 |
| Features | |
| App | Yes |
| Speed Modes | Yes |
| Cruise Control | Yes |
| Quick-Swap Battery | No |
| Folding Mechanism | Yes |
| Seat Add-On | No |
| Foldable Handlebars | No |
| Zero-Start | Yes |
| Push-To-Start | Yes |
| Turn Signals | Yes |
| Brake Curve Adjustment | Yes |
| Acceleration Adjustment | No |
| Self-healing tires | Yes |
| Speed limiting | Yes |
| Over-the-air firmware updates | Yes |
| Adjustable suspension | No |
| Steering dampener | No |
| Location tracking | No |
| Electronic horn | Yes |
| NFC Unlock | No |
| ERideHero Tests | |
| Top Speed Test | 20.1 MPH |
| Accel. Avg. (0-15 MPH) | 4.99 s |
| Accel. Avg. (0-20 MPH) | 13.1 s |
| Accel. Avg. (0-Top) | 13.5 s |
| Accel. Fastest (0-15 MPH) | 4.62 s |
| Accel. Fastest (0-20 MPH) | 12.3 s |
| Accel. Fastest (0-Top) | 12.5 s |
| Range Test (Fast) | 18.5 miles |
| Range Test (Regular) | 24.2 miles |
| Range Test (Slow) | 27.3 miles |
| Brake Distance (15 MPH) | 12.4 ft |
| Hill Climbing | 21.6 s |
| Advanced Comparison | |
| Price vs. Weight | 52.99 $/lb |
| Price vs. Speed | 69.95 $/MPH |
| Price vs. Range | 45.13 $/mile |
| Price vs. Wh | 3.1 $/Wh |
| Price vs. Watt | 4 $/W |
| Price vs. Max Load | 5.28 $/lb |
| Price vs. Tested Range | 57.81 $/mile |
| Price vs. Tested Speed | 69.6 $/MPH |
| Price vs. Brake Distance | 112.82 $/ft |
| Price vs. Hill Test | 64.77 $/s |
| Price vs. Accel (15 MPH) | 280.36 $/s |
| Price vs. Accel (20 MPH) | 106.79 $/s |
| Speed vs. Weight | 0.76 MPH/lb |
| Range vs. Weight | 1.17 mile/lb |
| Tested Range vs. Weight | 0.92 mile/lb |
| Speed vs. Max Load | 0.08 MPH/lb |
| Range vs. Max Load | 0.12 mile/lb |
