Tern GSD S10

Name: Tern GSD S10
Brand: Tern

Ranked #11 of 12 in Best Cargo E-Bikes: Rad Power, Velotric, Aventon, Lectric, Tern & More (2026). Here is every spec we scored, where it came from, and how it compares.

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#11

Tern GSD S10

Best for: Bosch mid-drive compact cargo bike, 59.7 lb

3.9/10

What we like

Lowest bike weight in this comparison (59.7 lb)

Watch out for

Lowest rated motor power in this comparison (250 W)
Lowest battery capacity in this comparison (400 Wh)
Water resistance not published by Tern

Score breakdown

Rated motor power 15%

Battery capacity 15%

Claimed range 15%

Top assisted speed 10%

Payload capacity 25%

Bike weight 5%

Motor torque 10%

Hydraulic disc brakes 3%

Water resistance * 2%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

Rated motor power	250 W
Battery capacity	400 Wh
Claimed range	68 mi
Top assisted speed	20 mph
Payload capacity	381.2 lb
Bike weight	59.7 lb
Motor torque	63 Nm
Hydraulic disc brakes	Yes
Water resistance	Not listed
Motor	Bosch Performance, 36 V / 250 W, 63 Nm
Battery	400 Wh single (500 Wh or 900 Wh dual optional)
Range	31–68 mi (400 Wh), up to 250 km with 900 Wh
Payload	381.2 lb computed: 440.9 lb gross vehicle weight minus 59.7 lb bike; max rider 264.6 lb
Brakes	Magura MT5 4-piston hydraulic
Water rating	Not published by the maker
Price	Check price