Commuter
Aventon Pace 4
$1,599
Price
60 Nm
Torque
733 Wh
Battery
58.2 lb
Weight
Aventon Pace 4 vs Urtopia Carbon Atom
Two commuter e-bikes at $1,599–$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 Pace 4 costs $900 less.
- The Carbon Atom makes 30 Nm more torque.
- The Carbon Atom peaks 386 W higher.
- The Carbon Atom claims 23 more miles of range.
- The Carbon Atom carries 102 Wh more battery.
- The Carbon Atom carries 30 lb more total load.
- The Pace 4 is 3.5 lb lighter.
- The Pace 4 uses a torque + cadence sensor; the Carbon Atom uses a torque sensor.
- The Pace 4 is rigid + susp. seatpost; the Carbon Atom is hardtail (front only).
Every spec, side by side
| Pace 4 | Carbon Atom | |
|---|---|---|
| Headline | ||
| Price | $1,599 | $2,499 |
| Category | Commuter | Commuter |
| Price per Wh | $2.18 per Wh | $2.99 per Wh |
| Model year | 2026 | 2026 |
| Motor | ||
| Torque | 60 Nm | 90 Nm |
| Motor power | 500 W | 750 W |
| Peak power | 864 W | 1250 W |
| Drive | Rear hub | Rear hub |
| Motor make | Aventon | Urtopia |
| Sensor | Torque + cadence | Torque |
| Battery & range | ||
| Battery | 733 Wh | 835 Wh |
| Voltage | 36V | 48V |
| Capacity | 20 Ah | 17.4 Ah |
| Cells | LG 21700 | LG |
| Removable battery | Yes | Yes |
| Range (claim) | 70 mi | 93 mi |
| Range as stated | Up to 70 miles | Up to 93 mi (180 lb rider, ECO, flat, no throttle) |
| Est. real range | 46 mi | 42 mi |
| Estimate assumes | 16 Wh per mile | 20 Wh per mile |
| Weight & capacity | ||
| Weight | 58.2 lb | 61.7 lb |
| Max load | 300 lb | 330 lb |
| Class & speed | ||
| Ships as | Class 2: throttle, assist to 20 mph | Class 2: throttle, assist to 20 mph |
| Unlocks to | Class 3 | Class 3 |
| Class | Class 2–3 | Class 2–3 |
| Throttle | Yes | Yes |
| Top assisted speed | 28 mph | 28 mph |
| Build | ||
| Gears | 8-speed | — |
| Drivetrain | Shimano Altus | — |
| Brakes | Hydraulic disc | Hydraulic disc |
| Front rotor | 180 mm | — |
| Rear rotor | 180 mm | — |
| Suspension | Rigid + susp. seatpost | Hardtail (front only) |
| Fork travel | Rigid | 80 mm |
| Rear travel | None | None |
| Front suspension | No | Yes |
| Suspension seatpost | 50 mm | 30 mm |
| Tires | 27.5 x 2.1 | 26 x 2.4 |
| Display | Aventon BC147 | 3.5" LCD |
| Frame | 6061 aluminum | Toray carbon fibre |
| Sizes | R, L | One size |
| Step-through option | Yes | No |
| Included | ||
| Lights | Yes | 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 2026-09-19 and newurtopia.com on 2026-09-20. Manufacturers revise specs without notice: confirm before buying.