Folding · Not tested by Will

Tern Vektron S10: specs and how it compares

Not tested. Will hasn't ridden this bike. Specs come from Tern's own site, written in our words, and each one is linked below. For bikes he has tested, see the reviews.

Class: Tern lists 20 mph assist (US) but no class. E-bike laws by state

Drawing of the bike type, not a photo of this model.

$3,549
Price as of Oct 26, 2026 on Tern's site. Sold through dealers; stock not listed.

Our take

The Vektron S10 is a premium Bosch folding bike that fits riders from 4'10" to 6'5" and folds for trains and closets. At 48.7 lb it's heavy to carry. It's priced at $3,549 through dealers.

Closest bike Will has tested

Engwe EP-2 Pro, from Will's review video

Engwe EP-2 Pro

Will reviewed it: a folding e-bike he filmed.

Read Will's review

Specs

E-bike classnot listed
MotorBosch Performance, 65 Nm
Battery400 Wh
Claimed range34 to 68 mi (maker's figures)
Weight48.7 lb (22.1 kg)
Max load (gross, including bike)276 lb (125 kg) gross, including the bike
BrakesMagura MT4 hydraulic discs
SuspensionRigid fork
TiresSchwalbe Big Apple 20 in (55-406)
GearsShimano Deore 10-speed, 11-36T
Pedal sensornot listed
Rider heightOne size, 147 to 195 cm (4'10" to 6'5")

Tern lists 20 mph assist (US) but no class. Check e-bike laws in your state.

Versions

Compared with similar bikes

Tern Vektron S10not testedRide1Up Cafe CruiserEngwe EP-2 ProKingbull Literider
Price$3,549$1,395$1,399—
Motor—750 W750 W750 W
Torque65 Nm——80 Nm
Battery400 Wh—624 Wh720 Wh
Weight48.7 lb—66 lb71 lb
Payload276 lb—330 lb400 lb
AEB Score5.0 (provisional)—6.56.9

Specs for the other bikes come from their pages on this site; ones marked spec profile haven't been ridden by Will. Prices change, so check the review page for the latest.

What owners say

We haven't gathered enough owner reviews from sources we trust yet, so there's no summary for now.

Sources

Page updated Oct 26, 2026.