Commuter
Tern Vektron Q9
$2,999
Price
50 Nm
Torque
400 Wh
Battery
48.3 lb
Weight
Tern Vektron Q9 vs Urtopia Carbon Atom
Two commuter e-bikes at $2,499–$2,999, 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 carries 435 Wh more battery.
- The Carbon Atom makes 40 Nm more torque.
- The Carbon Atom assists 8 mph faster.
- The Carbon Atom claims 23 more miles of range.
- The Vektron Q9 is 13.4 lb lighter.
- The Carbon Atom costs $500 less.
- The Carbon Atom carries 54 lb more total load.
- The Vektron Q9 is mid-drive; the Carbon Atom is rear hub.
- The Vektron Q9 is rigid; the Carbon Atom is hardtail (front only).
- The Vektron Q9 has no throttle; the Carbon Atom has a throttle.
- The Vektron Q9 ships as class 1; the Carbon Atom ships as class 2–3.
Every spec, side by side
| Vektron Q9 | Carbon Atom | |
|---|---|---|
| Headline | ||
| Price | $2,999 | $2,499 |
| Category | Commuter | Commuter |
| Price per Wh | $7.50 per Wh | $2.99 per Wh |
| Model year | 2026 | 2026 |
| Motor | ||
| Torque | 50 Nm | 90 Nm |
| Motor power | — | 750 W |
| Peak power | — | 1250 W |
| Drive | Mid-drive | Rear hub |
| Motor make | Bosch Active Line Plus | Urtopia |
| Drive system | Bosch | — |
| Sensor | — | Torque |
| Battery & range | ||
| Battery | 400 Wh | 835 Wh |
| Voltage | — | 48V |
| Capacity | — | 17.4 Ah |
| Cells | — | LG |
| Removable battery | Yes | Yes |
| Range (claim) | 70 mi | 93 mi |
| Range as stated | 35-70 miles (400Wh) | Up to 93 mi (180 lb rider, ECO, flat, no throttle) |
| Est. real range | 25 mi | 42 mi |
| Estimate assumes | 16 Wh per mile | 20 Wh per mile |
| Weight & capacity | ||
| Weight | 48.3 lb | 61.7 lb |
| Max load | 276 lb | 330 lb |
| Rack capacity | 60 lb | — |
| Class & speed | ||
| Ships as | Class 1: pedal assist to 20 mph, no throttle | Class 2: throttle, assist to 20 mph |
| Unlocks to | Class 1 | Class 3 |
| Class | Class 1 | Class 2–3 |
| Throttle | No | Yes |
| Top assisted speed | 20 mph | 28 mph |
| Build | ||
| Gears | 9-speed | — |
| Drivetrain | Shimano Alivio 1x9 (11-32T) | — |
| Brakes | Hydraulic disc | Hydraulic disc |
| Suspension | Rigid | Hardtail (front only) |
| Fork travel | Rigid | 80 mm |
| Rear travel | None | None |
| Front suspension | No | Yes |
| Suspension seatpost | — | 30 mm |
| Tires | 20 in Schwalbe Big Apple (55-406), puncture protection, Reflex | 26 x 2.4 |
| Display | Bosch Purion | 3.5" LCD |
| Frame | 7005 aluminium | Toray carbon fibre |
| Sizes | One size | One size |
| Step-through option | — | 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 | Tern ebikes use e-bike systems that are certified to UL 2849 | Battery UL 2271 Certified (Classic also EN 50604) |
| Warranty | — | 2 yr |
| Warranty terms | — | 2-Year Warranty (brand policy) |
Specs transcribed from www.ternbicycles.com on 09/30/2026 and newurtopia.com on 09/20/2026. Manufacturers revise specs without notice: confirm before buying.