Vektron P9

The Accelerator
MSRP $3,799.00

The Vektron P9 comes equipped with a nine-speed Sora drivetrain, for all the gearing you need in the city. With the Tern Cargo Rack, Valo Direct light, and full front and rear fenders, it’s purpose-built for all-season commuting.

  • Bafang M400 Drive System—250 watts of responsive and dependable power
  • Maximum torque of 80 Nm for faster acceleration
  • Shimano Sora derailleur for precise and reliable shifting
  • Hydraulic disc brakes for all-weather stopping power
  • Tern Valo Direct light, with 150 lumens of power, for 24-hour visibility
  • 400 Wh battery for a range of up to 90 km
  • Resizes in seconds to fit riders from 147 to 195 cm (4’10” – 6’5”)
Vektron P9: Affordable electric folding bike
  • 20" wheels
Milieu de gamme
Testsieger 2018 Elektrobike Vektron P9 Logo
BikeBild 2018 Winner Vektron P9 Logo


Product Reviews

The Tern Vektron is suitable for taking children and transporting groceries. Folded, it is as big as a long-distance suitcase and can be taken on the ICE train.


Nous voilà séduits par les performances du moteur central Bafang Max Drive. Sur le plan du pilotage le Vektron p9 procure beaucoup de Plaisir. Son coté compact lui permet de se faufiler aisément dans le flot de la circulation tout en restant bien stable grace à un centre de gravité bas. Quant à la position de pilotage, elle est confortable et ne procure pas la moindre tension musculaire. [We are seduced by the performance of the mid-motor Bafang Max Drive. In terms of riding the Vektron p9 provides a lot of fun. Its compact size allows it to sneak easily into the traffic flow while remaining stable thanks to a low center of gravity. As for the steering position, it is comfortable and does not provide the slightest muscle tension.]


62 E-Bikes in 8 Kategorien hat die Elektrobike-Test-Crew auf der Straße getestet (...). Alle Testsieger aus dem Elektrobike-Test im Überblick: (...) Kompakt-E-Bike: Tern Vektron P9 [The Elektrobike Test Crew has tested 62 ebikes in 8 categories (...). All test winners at a glance: (...) Best compact ebike: Tern Vektron P9]


Auf seinen kleinen Rädern rollt das Tern Vektron sehr wendig, aber nicht nervös. [...] Für Komfort sorgen die voluminösen Reifen und die ergonomische Sattel-Lenker-Kombination. [...] Das Vektron sichert sich den Kompakt-Testsieg. [On its small wheels, the Tern Vektron is agile, but not nervous. [...] Comfort is ensured by the voluminous tires and an ergonomic cockpit. [...] The Vektron wins our the compact category test.]


Egal für welche Motorvariante man sich entscheiden mag, handelt es sich beim Vektron um ein erfreulich gut gemachtes E-Bike, welches als Besonderheiten hochvariable Einstellmöglichkeiten für Lenker und Sattel sowie einen Faltmechanismus bietet, der raumoptimiertes Verstauen und den einfachen Transport erlaubt. [No matter which variant of engine you choose, the Vektron is a pleasingly well-made e-bike that offers highly variable adjustment options for the handlebar and saddle as well as a folding mechanism that allows space-optimized stowage and easy transport.]


General Info
1 x 9
22,6 kg (49,8 lb)
Gear Inches:
33" - 97" (2.65 - 7.72 m)
Folding Size:
410 × 860 × 680 mm (16,1 × 33,9 × 26,8 in)
Folding Time:
10 sec
Frame Sizes:
One size
Distance: Seatpost to Handlebar:
62 - 69 cm (24,4 - 27,2 in)
Distance: Saddle to Pedal:
68 - 111 cm (26,8 - 43,7 in)
Max Gross Vehicle Weight:
125 kg (275,6 lb)
Max Load Weight:
105 kg (231,5 lb)
Max Rider Weight:
105 kg (231,5 lb)
Tern Vektron, hydroformed aluminum, OCL+ joint, 3 patented technologies
Tern Tarsus, 6061-Al, hydroformed
Tern Physis 3D (G2), 3D forged, 5 patented technologies, 12°, 320 mm
Tern Andros (G2), adjustable, forged construction, patented technology
Tern Flux, cartridge bearings, Physis integrated
Flat bar, 6061-Al, Tern Andros adapted
Grips/Bar Tape:
BioLogic Arx
Tern Porter, patented GripPad design
Tern Telescope, 34.9 mm, Lite 2014-AL
Seatpost Clamp:
Oversize, 6061-Al, 2 pc
Front Brake:
Shimano, hydraulic disc
Rear Brake:
Shimano, hydraulic disc
Brake Levers:
Shimano, hydraulic disc
Brake Cable & Housing:
Shimano, hydraulic disc
Front Hub:
Shimano disc
Rear Hub:
Shimano disc
Spokes & Nipples:
Stainless steel
Kinetix Comp, for disc
Schwalbe Big Apple, Performance Line, 55-406, puncture protection, Reflex
Shimano, 1 x 9 spd, trigger
Rear Derailleur:
Shimano Sora
Vektron custom, forged 6061-AL crankarm
Shimano 11-32T, 9 spd
Bottom Bracket:
Motor integrated
9 spd, DHT for eBike, GST corrosion resistant coating
LiteForm QR, alloy body, QR right/standard left
Shifter Cable & Housing:
Jagwire LEX-SL, slick treatment, alloy ferrules
Bafang M400 Drive System, 36 V/250 W, max speed 25 kph (EU); max speed 20 mph (US), max torque 80 Nm
Bafang M400 Drive System Battery, 400 Wh, Panasonic cells
Bafang M400 Drive System Display, 5 mode selectable, walk assist
40-90 km (25-56 mi)
Bafang Charger
Bells & Whistles
DoubleStand, center mount
Clip System:
Magnetix 2.0
Luggage Socket:
Front Light:
Tern Valo Direct, integrated, 41 lux/150 lumens
Rear Light:
Herrmans H-Trace / H-Trace Mini, for eBike
SplashGuard, stainless hardware
Opt: Tern Cargo Rack
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.