Tern Vektron Q9


The Accelerator.

  • Upgraded to the Bosch Active Line Plus electric drivetrain for 270% more assistance and 50 Nm of torque

  • Hydraulic disc brakes for all-weather stopping power

  • Updated frame with a reclining battery for a lower center of gravity and better ride

  • Frame passed strict European safety standards for pedal-assist e-bikes, having been certified as EN15194-compliant by EFBE Prüftechnik

  • 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

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Specifications are subject to change without notice.

SPEEDS: 1 x 9

WEIGHT: 21.9 kg (48.3 lb)

GEAR INCHES: 33″ – 97″ (2.65 – 7.72 m)

FOLDING SIZE: 41 × 86 × 68 cm (16.1 × 33.9 × 26.8 in)



DISTANCE: SEATPOST TO HANDLEBAR: 62 – 69 cm (24.4 – 27.2 in)

DISTANCE: SADDLE TO PEDAL: 67 – 110 cm (26.4 – 43.3 in)

SUGGESTED RIDER HEIGHT: 147 – 195 cm (57.9 – 76.8 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)

FRAME: Tern Vektron, hydroformed 7005-AL, OCL+ joint, 3 patented technologies

FORK: Tern Tarsus, 6061-Al, hydroformed

HANDLEPOST: Tern Physis 3D, 3D forged, 5 patented technologies, 12°, 320 mm

STEM: Tern Andros, 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: Tern Telescope, 34.9/30.9 mm, 2014-AL

SEATPOST CLAMP: Tern Collar, 6061-AL, 2pc

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, 55-406, puncture protection, Reflex

SHIFTER(S): Shimano Alivio, 1 x 9 spd, trigger

REAR DERAILLEUR: Shimano Alivio Shadow

CRANKSET: Vektron custom, forged 6061-AL crankarm

CASSETTE/FREEWHEEL: Shimano 11-32T, 9 spd

BOTTOM BRACKET: Motor integrated

CHAIN: 9 spd, DHT for eBike, GST corrosion resistant coating


SHIFTER CABLE & HOUSING: Jagwire LEX-SL, slick treatment, alloy ferrules

MOTOR: Bosch Active Line Plus, 270% Assist, 50 Nm Torque, max speed 25 kph (EU); max speed 20 mph (US)

BATTERY: Bosch PowerPack 400 Wh

DISPLAY: Bosch Purion, 4 mode selectable, walk assist

RANGE: 400 Wh: 55 -110 km (35-70 mi)

CHARGER: 220V, 4A (EU); 100-240V, 4A (US)

BELL: Aluminum


KICKSTAND: URSUS, rear mount

CLIP SYSTEM: Magnetix 3.0


FRONT LIGHT: Tern Valo Direct, 190 lumens

REAR LIGHT: Herrmans H-Trace, for eBike

FENDERS: SplashGuard, stainless hardware

RACK(S): Atlas Rack, integrated 8 point mounting, max load capacity 27 kg (59 lb)


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