Tern Vektron Q9 Metalic Blue Gen 3 400Wh
Specifications
Information
The Tern Vektron Gen 3 Q9 is a premium folding e-bike designed for power, comfort, and family versatility. Featuring the upgraded Bosch Active Line Plus motor, it delivers smooth, quiet performance with up to 270% assistance and 50 Nm of torque for confident climbing and effortless cruising. The redesigned frame lowers the battery position for improved stability and a better overall ride feel.
Built to meet strict European safety standards, the Vektron is EN15194-certified by EFBE Prüftechnik, ensuring long-term durability and safe pedal-assist performance. Hydraulic disc brakes provide reliable stopping power in all weather conditions, while the integrated Atlas V Rack™ is compatible with Thule Yepp Maxi and Dash® RM child seats—no adapters required.
With its ability to resize in seconds, the Vektron fits riders from 147 to 195 cm (4'10"–6'5"), making it an ideal shared bike for families, commuters, or anyone who needs a compact, high-quality electric folder.
SPECIFICATIONS
General Info
Speeds: 1 × 9
Weight: 21.9 kg (48.3 lb)
Gear Inches: 33"–97" (2.65–7.72 m)
Folding Size: 42 × 86 × 68.5 cm (16.5 × 33.9 × 27 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: 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 Rider Weight: 105 kg (231.5 lb)
Frame
Frame: Tern Vektron, hydroformed 7005-AL, OCL+ joint, 3 patented technologies
Fork: Tern Tarsus, 6061-AL, hydroformed
Cockpit
Handlepost: Tern Physis 3D, 3D forged, 5 patented technologies, 12°, 320 mm
Stem: Tern Andros, adjustable, forged construction
Headset: Tern Flux, cartridge bearings, Physis integrated
Handlebar: Flat bar, 6061-AL, Tern Andros adapted
Grips: 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, 2-piece
Brakes
Front Brake: Shimano hydraulic disc
Rear Brake: Shimano hydraulic disc
Brake Levers: Shimano hydraulic disc
Brake Cable & Housing: Shimano hydraulic disc
Wheels
Front Hub: Shimano disc
Rear Hub: Shimano disc
Spokes & Nipples: Stainless steel
Rims: Kinetix Comp, for disc
Tyres: Schwalbe Big Apple, 55-406, puncture protection, Reflex
Transmission
Shifter(s): Shimano Alivio, 1 × 9 spd, trigger
Rear Derailleur: Shimano Alivio Shadow
Crankset: Vektron custom, forged 6061-AL crankarm
Cassette: Shimano 11–32T, 9 spd
Bottom Bracket: Motor integrated
Chain: 9-spd, DHT for eBike, GST corrosion-resistant coating
Pedals: MKS EZY
Shifter Cable & Housing: Jagwire LEX-SL, slick treatment, alloy ferrules
E-System
Motor: Bosch Active Line Plus, 270% assist, 50 Nm torque, max speed 25 kph (EU) / 20 mph (US)
Battery: Bosch PowerPack 400 Wh
Display: Bosch Purion, 4 modes, walk assist
Range: 400 Wh: 55–110 km (35–70 mi)
Charger: 220V, 4A (EU); 100–240V, 4A (US)
Bells & Whistles
Bell: Aluminum
Chainguard: SKS Chainblade
Kickstand: URSUS, rear mount
Clip System: Magnetix 3.0
Luggage Socket: Yes
Front Light: Tern Valo Direct, 190 lumens
Rear Light: Herrmans H-Trace, for eBike
Fenders: SplashGuard, stainless hardware
Rack(s): Atlas V Rack™, integrated 8-point mounting; max load 27 kg (60 lb)