niu.com | Product Information | |
|---|---|
| Brand | NIU |
| Name | KQi Air X |
| Release Year | 2023 |
| Release Quarter | Unknown |
| Motor | |
| Top Speed | 20 MPH |
| Motor(s) | Rear |
| Watts (nominal) | 350W |
| Watts (peak) | 700W |
| Max Incline | 20° |
| 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 | LG |
| Dimensions & Weight | |
| Deck Length | 21.7" |
| Deck Width | 7.5" |
| Ground Clearance | 2.9" |
| Handlebar Width | 21.31" |
| Unfolded Width | 21.31" |
| Unfolded Height | 46.7" |
| Unfolded Depth | 44.9" |
| Folded Width | 21.31" |
| Folded Height | 18.9" |
| Folded Depth | 44.9" |
| Adjustable Handlebar | No |
| Deck-to-Handlebar Height | 40.05" |
| Weight | 25.8 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" |
| Suspension | None |
| Safety & Durability | |
| Brakes | Disc (Mechanical), Electronic |
| Fold Location | Stem |
| 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 | Yes |
| Self-healing tires | Yes |
| Speed limiting | Yes |
| Over-the-air firmware updates | Yes |
| Adjustable suspension | No |
| Steering dampener | No |
| Location tracking | No |
| Electronic horn | No |
| NFC Unlock | Yes |
| Advanced Comparison | |
| Price vs. Weight | 54.22 $/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 |
| Speed vs. Weight | 0.78 MPH/lb |
| Range vs. Weight | 1.2 mile/lb |
| Speed vs. Max Load | 0.08 MPH/lb |
| Range vs. Max Load | 0.12 mile/lb |
