Tern Vektron D8

The Vektron is a best-in-class electric bike that folds in 10 seconds to go on trains, in cars, and under desks. With an electric drivetrain, 20" wheel bikes are just as fast as 700c. That means riders can enjoy all the benefits of small wheels compact size, low center of gravity, quick acceleration, maneuverable handling, and plenty of cargo space with big wheel speed.

The Vektron D8 delivers the uncompromised performance, versatility and style of the Vektron family, in an affordable and convenient package. With hydraulic disc brakes, fenders and a rack, crush your commute rain, snow or shine.

  • Bafang M400 Drive System – 250 watts of responsive and dependable power
  • 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
  • Andros stem, to fit riders from 160 – 195 cm in seconds
  • Hydraulic disc brakes for all-weather stopping power
  • Shimano Claris rear derailleur for quick and responsive gear shifting
More Information
  Color: Gunmetal/Orange
Wheel Size: 20" wheels
Speeds: 1 x 8
Weight: 22.5 kg (49.6 lb)

Folding Size: 41 x 86 x 68 cm (16.1" x 33.9" x 26.8")
Folding Time: 10 sec
Frame Sizes: One size
Gear Inches: 33" - 95" (2.60 - 7.57 m)
Distance: Seatpost to Handlebar: Min. 620 mm (24.4") Max: 690 mm (27.2")
Distance: Saddle to Pedal: Min. 780 mm (30.7") Max: 990 mm (39")
Suggested Rider Height: 160 - 195 cm (5'3" - 6'5")
Max Load Weight: 105 kg (230 lb)


Frame: Tern Vektron, hydroformed aluminum, OCL+ joint, 3 patented technologies
Fork: Integrated, hi-tensile steel


Handlepost: Tern Physis 3D (G2), 3D forged, 5 patented technologies, 12°, 320 mm
Stem: Tern Andros (G2), adjustable, forged construction, patented technology
Headset: Tern Flux, cartridge bearings, Physis integrated
Handlebar: Flat bar, 6061-Al, Tern Andros adapted
Grips/Bar Tape: Velo ergonomic, lock-on
Saddle: Tern Porter, patented GripPad design
Seatpost: SuperOversize, 6061-Al, micro-adjust clamp
Seatpost Clamp: Oversize, 6061-Al


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 and Nipples: Stainless steel
Rims: Kinetix Comp, for disc
Tires: Schwalbe Big Apple, Active Line, 50-406, puncture protection, Reflex


Shifter(s): Shimano, 1 x 8 spd, trigger
Rear Derailleur: Shimano Claris
Crankset: Vektron custom, forged AL6061 crankarm
Cassette/Freewheel: Shimano 11-32T, 8 spd
Bottom Bracket: Motor integrated
Chain: 8 spd, DHT for eBike, GST corrosion resistant coating
Pedals: Folding, alloy body
Shifter Cable & Housing: Anti-compression housing, slick cables


Motor: Bafang M400 Drive System, 36 V/250 W, max speed 25 kph (EU); max speed 20 mph (US), max torque 80 Nm
Battery: Bafang M400 Drive System Battery, 400 Wh, Panasonic cells
Display: Bafang M400 Drive System Display, 5 mode selectable, walk assist
Range: 40-90 km (25-56 mi)

Bells & Whistles

Bell: Aluminum
Chainguard: n/a
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 / H-Trace Mini, for eBike
Fenders: SplashGuard, stainless hardware
Rack(s): Optional: Tern Loader Rack
Free Shipping on orders £75. £6.99 on orders under £75. Goods are normally shipped within 48hrs of order and will be shipped by either DPD, TNT or Fed Ex.
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Outside the UK, please add the item to cart and enter your delivery details at checkout
Velorution offer free delivery on non bike orders over £75 to all UK Mainland addresses.

Bikes are not guaranteed for same day dispatch, as we will take time to build and inspect your product before releasing it for dispatch.