Vektron

Vektron

The Accelerator

All around the world, the way we get from A to B is changing. With the world on the cusp of auto-mobility, ride sharing, and the mainstream arrival of electric vehicles, it’s an exciting moment for transportation. To help drive this force of change, we developed the world’s most compact Bosch-driven electric bike. The Tern Vektron takes everything great about folding bikes—multi-modal commuting, portability for travel and storage—and accelerates it. Got more questions? Read our FAQs.

  • Fits easily on buses and subways for electric multi-modal commuting
  • Resizes in seconds to fit riders 147 – 195 cm (4’10” – 6’5”) so a single bike can be shared by the family
  • Stores under a desk for convenient theft protection; no need to bring a heavy lock
  • Stash a pair in the trunk of a car for weekend getaways
  • German-engineered Bosch Active electric drivetrain—the industry leader in electric bike technology
  • T-Tuned™ geometry for a full-sized ride and comfort
  • Valo™ lighting system, with 150 lumens of power, for 24-hour visibility
  • Rear Cargo Rack™ works seamlessly with Yepp child seats—Maxi Easyfit or Junior Easyfit—for carrying kids
Photo may show optional accessories.
Black/Bright Blue
20" wheels
Electric
Top-Tier

Aiming to design the perfect non-automobile commuter, Tern just may have done it…

Gear Hungry

See video

Technology

Product Reviews

Zeit Online

“The Vektron is an ideal choice for urban commuters, whose way to work includes a longer cycle route or train journey.”

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Focus.de

“The Vektron is a game changer!”

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electricbikereview.com

“Ultimately, the Vektron satisfies more than just the folding ebike scenario. It truly rides more like a full sized bicycle.”

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ElektroRad

“The Vektron is equipped for every occasion: a 10-speed gearing, disc brakes, extra long fenders, a stable touring rack, tensioning straps, a lighting system and a variable stem which can be adjusted quickly and individually.”

Bild

“Das ist die Stärke des Klapp-Pedelecs: Man kann es selbst in kleinen Autos transportieren, aussteigen und elektrisch unterstützt bis zum Ziel radeln – oder im Urlaub Ausflüge machen.”

[The big advantage of a folding electric bike: you can take it with you in small cars, and cycle assisted to your destination. You can even bring it on vacation.]

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Fietsersbond

“The vektron runs very well. The frame is stiff and the ride is very stable. You can ride it even without hands—an exception when it comes to 20-inch bikes”

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City Ride

Petit et puissant

[small yet powerful]

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Frankfurter Allgemeine Zeitung

“Es fährt sich so, dass man nicht denkt, ein Faltrad zu benutzen (…): das steifste je gefahrene Faltrad. Lichtanlage, Schutzbleche und Gepäckträger sind gut und machen wie das Rad einen stabilen und fein verarbeiteten Eindruck.“

[When riding it does not feel you are using a folding bike (…) it’s the stiffest folding bike ever ridden. Lights, fenders and luggage rack are of very good quality and like the bike are robust and built up with high standards.]

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Spiegel Online

Trotz der kompakten Größe lässt es nichts vermissen, was ein ausgewachsenes Rad dem Fahrer bietet.”

[Despite its compact size, the Vektron provides everything “normal sized” bike has to offer.]

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Stuff

… a marvellous bit of packaging

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Specifications

General Info
Color:
Black/Bright Blue
Wheel Size:
20" wheels
Speeds:
1 x 10
Weight:

EU: 21.8 kg (48.1 lb); US: 22.2 kg (48.9 lb)

Folding Size:
41 x 86 x 65 cm (16.1" x 33.9" x 25.6")
Folding Time:
10 sec
Frame Sizes:
One size
Gear Inches:
30" - 93" (2.40 - 7.43 m)
Distance: Seatpost to Handlebar:
Min. 630 mm (24.8") Max: 690 mm (27.2")
Distance: Saddle to Pedal:
Min. 740 mm (29.1") Max: 1140 mm (44.9")
Suggested Rider Height:
147 - 195 cm (4'10" - 6'5")
Max Load Weight:
105 kg (230 lb)
Frame
Frame:
Quadric Dropouts
Fork:
Tern Tarsus, 6061-Al, hydroformed
Cockpit
Handlepost:
Tern Physis 3D, 3D forged, 5 patented technologies
Stem:
Tern Andros, adjustable, forged construction, patented technology
Headset:
Flux Pro, angular contact bearings, Physis integrated
Handlebar:
Kinetix Comp, double-butted 6061-Al
Grips/Bar Tape:
Ergon GP10
Saddle:
Tern Porter+, patented GripPad design, PrimeGel padding
Seatpost:
Tern Telescopic, 2014-Al, 2 pc.
Seatpost Clamp:
Syntace OverLock
Brakes
Front Brake:
Shimano Deore, hydraulic disc
Rear Brake:
Shimano Deore, hydraulic disc
Brake Levers:
Shimano Deore, hydraulic disc
Brake Cable & Housing:
Shimano, hydraulic
Wheels
Front Hub:
Shimano disc
Rear Hub:
Shimano disc
Spokes and Nipples:
Stainless, double-butted
Rims:
Kinetix Comp, for disc
Tires:
Schwalbe Big Apple, 55-406, puncture protection, Reflex
Transmission
Shifter(s):
Shimano Deore, 1x10 spd
Rear Derailleur:
Shimano Deore Shadow
Crankset:
FSA for Bosch
Cassette/Freewheel:
Shimano 11-34T, 10 spd
Bottom Bracket:
Bosch
Chain:
10 spd, DHT for eBike, GST corrosion resistant coating
Pedals:
LiteForm QR, alloy body, QR right/standard left
E-System
Motor:
Bosch Active, 36 V/250 W, max speed 25 kph (EU); max speed 20 mph (US)
Battery:
Bosch 300 Wh (EU); Bosch 400 Wh (US)
Display:
Bosch Purion, 4 mode selectable, walk assist
Range:
up to 50 - 100 km (EU); up to 40 - 80 mi (US)
Bells & Whistles
Bell:
Pitch, brass
Chainguard:
SKS Chainblade
Kickstand:
Rear mount, Pletscher design
Clip System:
Magnetix 2.0
Luggage Socket:
Yes
Front Light:
Tern Valo Direct, integrated, 41 lux/150 lumens
Rear Light:
Herrmans H-Trace, for eBike
Fenders:
SplashGuard, stainless hardware
Rack(s):
Tern Cargo Rack
Accessory:
Pedal Holder