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
  • 20" wheels
Electric
Top-Tier

Technology

Product Reviews

ElektroRad

The Tern Vektron S10 is a masterpiece! Perfect riding performance, great folding principle, competent details, great accessories. Clear price-performance tip!

The New Wheel

The Tern Vektron (2021) combines a serious folding commuter bike and the more powerful Bosch Performance Line (Gen 3) drive system to create a bike that customers have been asking for: a folding electric bike with ample power and a ride quality that defies logic.

MyBIKE

The new S10 benefits greatly from the current Bosch Performance Drive. The unit is extremely quiet and helps the agile Tern to achieve unexpected riding dynamics.

Ebiketips

That's certainly capable enough to replace a lot of urban car journeys, so it might as well be the bike that persuades you that you don't need the second car.

Ebiketips

In summary, the latest S10 continues Tern’s approach of adding more power and more practicality to the Vektron range, which remains one of the very few Bosch-powered folders out there, with all the performance benefits that it brings.

Specifications

General Info
Speeds:
1 x 10
Weight:
Gear Inches:
30" - 93" (2.40 - 7.43 m)
Folding Size:
410 × 860 × 650 mm (16,1 × 33,9 × 25,6 sisällä)
Folding Time:
10 sec
Frame Sizes:
One size
Distance: Seatpost to Handlebar:
63 - 69 cm (24,8 - 27,2 in)
Distance: Saddle to Pedal:
74 - 114 cm (29,1 - 44,9 in)
Suggested Rider Height:
147 - 195 cm (57,9 - 76,8 in)
Max Gross Vehicle Weight:
Max Rider Weight:
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:
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, 1 x 10 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

*Note: These are our standard model specifications. The bike's weight and folded dimension may not include racks and fenders. The specifications for your country may differ slightly. We do our best to ensure that the specifications listed here accurately reflect the exact parts found on our production bikes. However, component changes do occur for various reasons and there may be brief delays on site updates. We reserve the right to make component changes without prior notification, which may cause discrepancies with the information listed on the web.