Vektron S10

Vektron S10

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

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Technology

Product Reviews

Bike Here

This is hands down the best folding bike I have ridden.

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biciplegable.net

La Vektron S10 es el Nuevo buque insignia de Tern; el nivel de calidad de cada detalle es para estar orgulloso.

[The Vektron S10 is the new flagship of Tern; the quality of every single detail is to be proud of the result.]

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ebiketips

Excellent performance and a tidy fold make this a very usable electric bike for mixed commuting

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Electric Bike Action

Tern has hit this one out of the park […] one of the most impressive folding bikes we’ve ridden.

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Zeit Online

Das Vektron damit ideale Voraussetzungen für Berufspendler, deren Arbeitsweg neben einer Zugfahrt auch eine längere Radstrecke umfasst.

[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

Das Vektron kann richtig was!

[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

Das Vektron ist fur jede Gelegenheit gerustet: 10-Gang-Schaltung, Scheibenbremsen, extra lange Schutzbleche mit Spritzspoilern, stabiler Touren-Trager, Spanngurte, Lichtanlage und ein variabler Vorbau, dessen Neigung schnell, leicht und individuell verstellt werden kann.

[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

Fietsen met de Vektron gaat zeer goed. Het frame is stijf en daardoor rijdt de fiets erg stabiel. Ik kon moeiteloos met losse handen fietsen. En dat lukt maar zelden met een fiets met 20 inch wielen.

[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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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:
Tern Vektron, hydroformed 7005-Al, 3 patented technologies
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:
Oversize, 6061-Al, 2 pc
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, 1 x 10 spd
Rear Derailleur:
Shimano Deore Shadow
Crankset:
FSA for Bosch
Cassette/Freewheel:
Shimano 11-34T, 10 spd
Bottom Bracket:
Motor integrated
Chain:
10 spd, DHT for eBike, GST corrosion resistant coating
Pedals:
LiteForm QR, alloy body, QR right/standard left
E-System
Motor:
Bosch Performance / Active, 36 V/250 W, max speed 25 kph (EU); max speed 20 mph (US)
Battery:
Performance: 400 Wh, 500 Wh; Active: Bosch 300 Wh, 400 Wh
Display:
Bosch Purion, 4 mode selectable, walk assist
Range:
Performance Motor: 400 Wh: 45-100 km (28-62) / 500 Wh: 55-120 km (34-75); Active Motor: 300 Wh: 35-90 km (22-56 mi) / 400 Wh: 50-100 km (31-62 mi)
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