Tern GSD S10
85 Nm
Torque
545 Wh
Battery
61 mi
Claimed range
82.3 lb
Weight
463 lb
Max load
The reference family cargo bike. 463 lb gross vehicle weight and a 220 lb rack, both DIN 79010 certified rather than merely claimed. Magura MT-C ABS brakes: anti-lock braking is close to unique on a bicycle. Dual battery bays take it to 1090Wh. Cockpit adjusts without tools between riders. Rider limit 287 lb.
Full specification
| Headline | |
| Price | $7,999 |
|---|---|
| Category | Cargo & family |
| Price per Wh | $14.68 per Wh |
| Model year | 2026 |
| Motor | |
| Torque | 85 Nm |
| Drive | Mid-drive |
| Motor make | Bosch Cargo Line |
| Sensor | Torque |
| Battery & range | |
| Battery | 545 Wh |
| Removable battery | Yes |
| Range (claim) | 61 mi |
| Range as stated | 28-61 mi (545Wh); 56-122 mi with dual batteries |
| Est. real range | 22 mi |
| Estimate assumes | 25 Wh per mile |
| Weight & capacity | |
| Weight | 82.3 lb |
| Max load | 463 lb |
| Rack capacity | 220 lb |
| Class & speed | |
| Ships as | Class 1: pedal assist to 20 mph, no throttle |
| Unlocks to | Class 1 |
| Throttle | No |
| Top assisted speed | 20 mph |
| Build | |
| Gears | 10-speed |
| Drivetrain | Shimano Deore |
| Brakes | Hydraulic disc |
| Front rotor | 203 mm |
| Rear rotor | 203 mm |
| Suspension | Rigid |
| Fork travel | Rigid |
| Rear travel | None |
| Front suspension | No |
| Tires | 20" |
| Display | Bosch Kiox 300 |
| Frame | 6061 aluminium, MultiTruss |
| Sizes | One size, fits 4'11"-6'7" |
| Step-through option | Yes |
| Included | |
| Lights | Yes |
| Fenders | Yes |
| Rack | Yes |
| Kickstand | Yes |
| Safety | UL 2849 |
| Safety certification | UL 2849: full system |
| As the maker states it | Tern ebikes use e-bike systems that are certified to UL 2849 |
Safety certification: UL 2849: full system. Tern states: “Tern ebikes use e-bike systems that are certified to UL 2849” (source). That is the manufacturer’s own claim, not something we verified, you can check a specific model in UL’s Product iQ database. Why this matters.
Specs transcribed from www.ternbicycles.com on 2026-09-19. Fields the manufacturer does not publish are shown as “—” rather than estimated. Manufacturers revise specs without notice: confirm before buying.