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Vektron D8

Vektron D8

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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
  • Maximum torque of 80 Nm for faster acceleration
  • Resizes in seconds to fit riders from 160 to 195 cm (5’3” – 6’5”)
  • 400 Wh battery for a range of up to 90 km
  • Hydraulic disc brakes for all-weather stopping power
  • Tern Valo Direct light, with 150 lumens of power, for 24 hour visibility
  • Shimano Claris rear derailleur for quick and responsive gear shifting


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 handlebars 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")
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)
Charger Bafang Charger
Bell Aluminum
Chainguard n/a
Kickstand Rear mount, Pletscher design
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
Gunmetal/Grey/Orange $2,199
White/Grey/Red $2,199