Tern Vektron S10 2020 - Electric Folding Bike
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.
The Vektron is a best-in-class electric bike that folds in 10 seconds to go on trains, in cars, and under desks. Shorten distances and flatten the hills on your commute, or put a couple of Vektrons in the trunk of your car on your next trip, so you can explore further.
Ready to Roll - Once you fold your Vektron, it’s easy to roll it around. The new frame design also lets you keep the bike in vertical position when folded, so stopping and going is easier than ever.
Rides Better - There are other folding electric bikes but none ride better. The Vektron is stiff and stable for a truly solid ride - even when fully loaded. Take a test ride and feel the difference.
Takes You Further - Take your Vektron on a train or bus to cover those extra-long commutes, or to complete the first and last leg of your commute faster. Ride to the station, hop on, hop off, and keep riding.
One Size Fits All - The Vektron has a low-step frame design and resizes in seconds—no tools required—to fit riders between 145 and 195 cm (4’10” – 6’5”), so you can share the bike with anyone in your family.
Key Features:
- Bosch Active Line Plus electric drivetrain for more torque and smoother acceleration
- Updated frame design, with a reclining battery for a lower center of gravity and better ride
- Integrated Atlas Rack works seamlessly with Thule Yepp Maxi and Nexxt Maxi child seats—no adapters needed
- Resizes in seconds to fit riders 147 – 195 cm (4’10” – 6’5”) so a single bike can be shared by the family
- Fits easily on buses, subways and taxis for electric multi-modal commuting
- Stores under a desk for convenient theft protection; no need to bring a heavy lock
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | Vektron G2 Frame |
| Fork | Tern Tarsus, 6061-Al, hydroformed |
| Headset | Flux Pro, angular contact bearings, Physis integrated |
| Stem | Tern Andros, adjustable, forged construction, patented technology |
| Bars | Kinetix Comp, double-butted 6061-Al |
| Front Brake | Magura MT4, hydraulic disc |
| Rear Brake | Magura MT4, hydraulic disc |
| Brake Lever | Magura, hydraulic disc |
| Rear Mech | Shimano Deore Shadow+ 10 spd |
| Shifters | Shimano Deore, 1 x 10 spd |
| Speed | 10 |
| Rims | Kinetix Comp, for disc |
| Front Hub | Novatec, sealed cartridge bearing, disc |
| Rear Hub | Novatec, sealed cartridge bearing, disc |
| Spokes | Stainless, double-butted |
| Front Tyre | Schwalbe Big Apple, Performance Line, 55-406, puncture protection, Reflex |
| Rear Tyre | Schwalbe Big Apple, Performance Line, 55-406, puncture protection, Reflex |
| Seat Post | Tern Telescope, 34.9 mm, Lite 2014-AL |
| Saddle | Tern Porter+, patented GripPad design, PrimeGel padding |
| Chainset | Vektron custom, forged 6061-AL crankarm |
| Bottom Bracket | Motor integrated |
| Chain | 10 spd, DHT for eBike, GST corrosion resistant coating |
| Cassette | Shimano 11-36T, 10 spd |
| Pedals | MKS EZY |
| Weight | 22.1 kg |
| Battery Size (WH) | 400wh |
| Motor | Bosch Active Line Plus, 36 V/250 W, max speed 25 kph |
| User Interface | Bosch Purion, 4 mode selectable, walk assist |
Electric Bike Bike Size Chart
|
Height |
e Bike Size |
e Road Bike Size |
e Mountain Bike Size* |
|
4’8” – 5’1” 143 – 155 cm |
XXS |
44 cm |
13” (33 cm) |
|
5’1” – 5’4” 155 – 163 cm |
XS |
48 cm |
15” (38 cm) |
|
5’4” – 5’7” 163 – 170 cm |
S |
51 cm |
16” (41 cm) |
|
5’7” – 5’10” 170 – 178 cm |
M |
54 cm |
18” (46cm) |
|
5’10” – 6’0” 178 – 183 cm |
L |
56 cm |
19” (48cm) |
|
6’0” – 6’3” 183 – 191 cm |
XL |
58 cm |
20” (51 cm) |
|
6’3” – 6’5” 191 – 196 cm |
XXL |
60 cm |
21” (53 cm) |
|
6’5” – 6’9” 196 – 205 cm |
XXXL |
62 cm |
22” (56 cm) |
* Mountain bikes are sized differently to road bikes. Typically, they are sized in inches as the first MTBs were produced in the USA. European brands like Lapierre and Haibike like to use centimeters for all their bikes. The measurements of their mountain bikes doesn’t match their road bikes but is like a simple conversion from the inches measurement. This is why we have included cm measurements in brackets for the e mountain bike column.
See our bike size guide for more on bike sizing
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