Commuter
Urtopia Carbon Atom
$2,499
Price
90 Nm
Torque
835 Wh
Battery
61.7 lb
Weight
Urtopia Carbon Atom vs Urtopia Carbon Classic Step-Thru
Two commuter e-bikes at $1,999–$2,499, 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 750 W higher.
- The Carbon Atom carries 482 Wh more battery.
- The Carbon Atom makes 45 Nm more torque.
- The Carbon Classic Step-Thru is 20.7 lb lighter.
- The Carbon Atom carries 90 lb more total load.
- The Carbon Atom claims 21 more miles of range.
- The Carbon Classic Step-Thru costs $500 less.
- The Carbon Atom assists 3 mph faster.
- The Carbon Atom ships as class 2–3; the Carbon Classic Step-Thru ships as class 2.
Every spec, side by side
| Carbon Atom | Carbon Classic Step-Thru | |
|---|---|---|
| Headline | ||
| Price | $2,499 | $1,999 |
| Category | Commuter | Commuter |
| Price per Wh | $2.99 per Wh | $5.66 per Wh |
| Model year | 2026 | 2026 |
| Motor | ||
| Torque | 90 Nm | 45 Nm |
| Motor power | 750 W | 350 W |
| Peak power | 1250 W | 500 W |
| Drive | Rear hub | Rear hub |
| Motor make | Urtopia | Urtopia |
| Sensor | Torque | Torque |
| Battery & range | ||
| Battery | 835 Wh | 353 Wh |
| Voltage | 48V | 36V |
| Capacity | 17.4 Ah | 9.8 Ah |
| Cells | LG | Samsung |
| Removable battery | Yes | Yes |
| Range (claim) | 93 mi | 72 mi |
| Range as stated | Up to 93 mi (180 lb rider, ECO, flat, no throttle) | Up to 72 mi (180 lb rider, ECO, flat, no throttle) |
| Est. real range | 42 mi | 22 mi |
| Estimate assumes | 20 Wh per mile | 16 Wh per mile |
| Weight & capacity | ||
| Weight | 61.7 lb | 41 lb |
| Max load | 330 lb | 240 lb |
| Class & speed | ||
| Ships as | Class 2: throttle, assist to 20 mph | Class 2: throttle, assist to 20 mph |
| Unlocks to | Class 3 | Class 2 |
| Class | Class 2–3 | Class 2 |
| Throttle | Yes | Yes |
| Top assisted speed | 28 mph | 25 mph |
| Build | ||
| Gears | — | 8-speed |
| Drivetrain | — | Shimano |
| Brakes | Hydraulic disc | Hydraulic disc |
| Front rotor | — | 160 mm |
| Rear rotor | — | 160 mm |
| Suspension | Hardtail (front only) | — |
| Fork travel | 80 mm | — |
| Rear travel | None | None |
| Front suspension | Yes | — |
| Suspension seatpost | 30 mm | No |
| Tires | 26 x 2.4 | Kenda 700 x 40c |
| Display | 3.5" LCD | 3.5" colour LCD |
| Frame | Toray carbon fibre | Toray carbon fibre |
| Sizes | One size | S, M, L |
| Step-through option | No | Yes |
| Included | ||
| Lights | Yes | Yes |
| Safety | UL 2271 | UL 2271 |
| Safety certification | UL 2271: battery only | UL 2271: battery only |
| As the maker states it | Battery UL 2271 Certified (Classic also EN 50604) | Battery UL 2271 Certified (Classic also EN 50604) |
| Warranty | 2 yr | 2 yr |
| Warranty terms | 2-Year Warranty (brand policy) | 2-Year Warranty (brand policy) |
Specs transcribed from newurtopia.com on 2026-09-20 and newurtopia.com on 2026-09-20. Manufacturers revise specs without notice: confirm before buying.