Commuter
Aventon Level 4 ADV
$2,799
Price
100 Nm
Torque
800 Wh
Battery
61 lb
Weight
Aventon Level 4 ADV vs Urtopia Carbon Atom
Two commuter e-bikes at $2,499–$2,799, every published spec lined up. Nothing here is estimated: a figure the manufacturer does not publish is shown as “—”.
Where they differ
- The Carbon Atom peaks 500 W higher.
- The Carbon Atom costs $300 less.
- The Level 4 ADV makes 10 Nm more torque.
- The Carbon Atom carries 30 lb more total load.
- The Level 4 ADV is mid-drive; the Carbon Atom is rear hub.
- The Level 4 ADV has no throttle; the Carbon Atom has a throttle.
Every spec, side by side
| Level 4 ADV | Carbon Atom | |
|---|---|---|
| Headline | ||
| Price | $2,799 | $2,499 |
| Category | Commuter | Commuter |
| Price per Wh | $3.50 per Wh | $2.99 per Wh |
| Model year | 2026 | 2026 |
| Motor | ||
| Torque | 100 Nm | 90 Nm |
| Motor power | — | 750 W |
| Peak power | 750 W | 1250 W |
| Drive | Mid-drive | Rear hub |
| Motor make | Aventon Ultro S | Urtopia |
| Sensor | Torque | Torque |
| Battery & range | ||
| Battery | 800 Wh | 835 Wh |
| Voltage | — | 48V |
| Capacity | 20 Ah | 17.4 Ah |
| Cells | Samsung 21700 58E | LG |
| Removable battery | Yes | Yes |
| Range (claim) | — | 93 mi |
| Range as stated | — | Up to 93 mi (180 lb rider, ECO, flat, no throttle) |
| Est. real range | 40 mi | 42 mi |
| Estimate assumes | 20 Wh per mile | 20 Wh per mile |
| Weight & capacity | ||
| Weight | 61 lb | 61.7 lb |
| Max load | 300 lb | 330 lb |
| Class & speed | ||
| Ships as | — | Class 2: throttle, assist to 20 mph |
| Unlocks to | — | Class 3 |
| Class | — | Class 2–3 |
| Throttle | No | Yes |
| Top assisted speed | — | 28 mph |
| Build | ||
| Gears | 10-speed | — |
| Drivetrain | Shimano Cues (11-39T) | — |
| Brakes | Hydraulic disc | Hydraulic disc |
| Suspension | Hardtail (front only) | Hardtail (front only) |
| Fork travel | 100 mm | 80 mm |
| Rear travel | None | None |
| Front suspension | Yes | Yes |
| Suspension seatpost | 50 mm | 30 mm |
| Tires | — | 26 x 2.4 |
| Display | — | 3.5" LCD |
| Frame | 6061 aluminium | Toray carbon fibre |
| Sizes | R, L | One size |
| Step-through option | Yes | No |
| Included | ||
| Lights | Yes | Yes |
| Fenders | Yes | — |
| Rack | Yes | — |
| Kickstand | Yes | — |
| Safety | UL 2849 | UL 2271 |
| Safety certification | UL 2849: full system | UL 2271: battery only |
| As the maker states it | UL and TUV Safety Certified - UL 2849 / UL 2271 | Battery UL 2271 Certified (Classic also EN 50604) |
| Warranty | 2 yr | 2 yr |
| Warranty terms | Two-Year Limited Warranty on frames and framesets (brand policy) | 2-Year Warranty (brand policy) |
Specs transcribed from www.aventon.com on 2026-09-20 and newurtopia.com on 2026-09-20. Manufacturers revise specs without notice: confirm before buying.