Tern Vektron Q9 20" Folding E-Bike - Blue



  • Free UK delivery
  • Free assembly
  • Free first service

The Vektron is a best-in-class electric bike that folds in 10 seconds to go on trains, in cars, and under desks. With an electric drivetrain, 20” wheel bikes are just as fast as 700c. That means riders can enjoy all the benefits of small wheels—compact size, low center of gravity, quick acceleration, maneuverable handling, and plenty of cargo space—with big wheel speed.


Bosch Active Line motor


21.9 kg


20" wheels


Bosch Powerpack 400


Bosch Purion display


Shimano hydraulic

                   Tern Vektron Q9 E-Bike Bosch Purion Control Panel

Bosch Purion Control Panel

The on-board computer lets you switch between five different riding modes, and feeds you handy information like speed, battery level, and distance. It optimizes shifting actions and constantly updates you on the remaining range.

Tern Vektron Q9 E-Bike Bosch Active Line Plus Motor

Bosch Active Line Plus Motor

Upgraded to the Bosch Active Line Plus electric drivetrain for 270% more assistance and 50 Nm of torque.

Tern Vektron Q9 E-Bike Bosch PowerPack 400

Bosch PowerPack 400

This impressive high-energy, high-power cell easily clips on and off your bike. The best-in-class design charges fast—from zero—in only 2.5 to 3.5 hours, and lets you ride longer and further between charges.

Tern Vektron Q9 E-Bike Tern Atlas Rack

Tern Atlas Rack

Using structural cues from the heavy-duty Tern GSD, the Atlas Rack has been massively strengthened with an increase in size, and a load capacity of 27 kg. This reduces flex for more secure handling when the bike is loaded.

Speeds1 x 9
Weight21.9 kg
Gear Inches33" - 97" (2.65 - 7.72 m)
Folding Size41 × 86 × 68 cm
Folding Time10 seconds
Max Gross Vehicle Weight125 kg
Max Rider Weight105 kg
FrameTern Vektron, hydroformed 7005-AL, OCL+ joint, 3 patented technologies
ForkTern Tarsus, 6061-Al, hydroformed
Handlepost.Tern Physis 3D, 3D forged, 5 patented technologies
StemTern Andros, adjustable, forged construction, patented technology
HeadsetFlux Pro, angular contact bearings, Physis integrated
HandlebarFlat bar, 6061-AL, Tern Andros adapted
GripsVelo ergonomic, lock-on
SaddleTern Porter, patented GripPad design
SeatpostTern Telescope, 34.9/30.9 mm, 2014-AL
BrakesShimano, hydraulic disc
WheelsKinetix Comp, for disc
TyresSchwalbe Big Apple, Performance Line, 55-406, puncture protection, Reflex
ShiftersShimano Alivio, 1 x 9 spd, trigger
R.DerailShimano Alivio Shadow
CranksetVektron custom, forged 6061-AL crankarm
Cassette/Freewheel Shimano 11-32T, 9 sp
Chain9 spd, DHT for eBike, GST corrosion resistant coating
Pedals MKS EZY
MotorBosch Active Line Plus, 270% Assist, 50 Nm Torque
BatteryBosch PowerPack 400 Wh
DisplayBosch Purion, 4 mode selectable, walk assist
RangeUp to 70 miles
Charger220V, 4A
ChainguardSKS Chainblade
KickstandURSUS, rear mount
Clip SystemMagnetix 3.0
Front LightTern Valo Direct, 190 lumens
Rear LightHerrmans H-Trace, for eBike
FendersSplashGuard, stainless hardware
RackAtlas V Rack, integrated 8 point mounting, max load capacity 27 kg
  • Bosch Active Line Plus - Bosch Active Line Plus, 270% Assist, 50 Nm Torque, max speed 15.5 mph
  • Bosch PowerPack 400Wh - light, compact and easy to remove
  • Bosch Purion LCD display - small, yet informative
  • Shimano gears - shimano 9 speed with shimano alvio shadow rear derailleur
  • Corrosion resistant chain - corrosion resistant GST coating
Bells & Whistles
  • Ultra robust rack - atlas v rack with load capacity of 27 kg
  • Adjustable stem - resize the bike in seconds to share with the family or for added riding comfort
  • Updated folding technology - folds in just 10 seconds
  • Stay safe & visible - super bright front & rear lights
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