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2023 Tern

Vektron Q9

A 20″ aluminum frame folding e-bike with mid-range components and shimano hydraulic disc brakes.
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Manufacturer Price

$2,999
Weight48.3 lbs  
FrameAluminum
SuspensionRigid
ForkAluminum
Wheels20″ Aluminum
Drivetrain1 × 9
GroupsetAlivio
MotorBosch 600W 50Nm mid-drive
BatteryBosch 400Wh
BrakesShimano Hydraulic Disc
Where to Buy
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Reviews
Electric Bike Report
Tern Vektron S10 Review 2023

Jan 2023 · Sam Gross

It’s not super often that I ride a folding bike and am able to forget it’s a folding bike. Usually there’s something — a creak, a little wobble in the handlepost or maybe even some flex in the jointed frame — that serves as a constant reminder that the bike I’m riding is technically cut

Read Review

ebiketips
Tern Vektron S10

Oct 2020

Verdict: A do-it-all electric folder that is now even more capable

Read Review

Specs
Build
Frame

Tern Vektron, hydroformed 7005-AL, OCL+ joint, 3 patented technologies

ColorSatin Red

Fork

Tern Tarsus, 6061-Al, hydroformed

Bottom Bracket

Motor integrated

Headset

Tern Flux, cartridge bearings, Physis integrated

Stem

Tern Andros, adjustable, forged construction, patented technology

Handlebar

Flat bar, 6061-AL, Tern Andros adapted

Saddle

Tern Porter, patented GripPad design

Seatpost

Tern Telescope, 34.9/30.9 mm, 2014-AL

TypeRigid

Pedals

MKS EZY

Groupset
Rear Derailleur

Shimano Alivio Shadow

Crank

Vektron custom, forged 6061-AL crankarm

Shifters

Shimano Alivio, 1 x 9 spd, trigger

Cassette

Shimano 11-32T, 9 spd

Chain

9 spd, DHT for eBike, GST corrosion resistant coating

Chain Guide

SKS Chainblade

Brakes

Front: Shimano, hydraulic disc, Rear: Shimano, hydraulic disc

TypeShimano Hydraulic Disc

Brake Levers

Shimano, hydraulic disc

Wheels
Rims

Kinetix Comp, for disc

Front Hub

Shimano disc

Rear Hub

Shimano disc

Tires

Schwalbe Big Apple, 55-406, puncture protection, Reflex

Electric Components
Motor

Class 1, Bosch Active Line Plus, 270% Assist, 50 Nm Torque, max speed 25 kph (EU); max speed 20 mph (US)

Battery

Bosch PowerPack 400 Wh

Display

Bosch Purion, 4 mode selectable, walk assist

Charger

220V, 4A (EU); 100-240V, 4A (US)

Accessories
Lights

Front: Tern Valo Direct, 190 lumens, Rear: Herrmans H-Trace, for eBike

Fenders

SplashGuard, stainless hardware

Racks

Yes

Bell

Aluminum

Rider Notes
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First added February 27

Last updated July 16

Not listed for 627 days