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Tern Vektron Q9 Folding e-Bike

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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 centre of gravity, quick acceleration, manoeuvrable handling, and plenty of cargo space—with big wheel speed.

The Vektron Q9 is equipped with hydraulic disc brakes, a sturdy rear rack, Valo Direct light, and fenders—so it is ideal for all-season commuting in the city.

Shorten distances and flatten the hills on your commute, or put a couple of Vektrons in the trunk of your car on your next trip, so you can explore further.In test after test, the Vektron is called the best folding ebike on the market.

The updated Vektron gets even better with improved geometry, Bosch’s newest and virtually silent motor, and a burly, extended rack. With a Vektron, a lot of your car trips will start turning into bike trips.

The Vektron has a low-step frame design and resizes in seconds—no tools required—to fit riders between 145 and 195 cm (4’10” – 6’5”), so you can share the bike with anyone in your family.


Free Delivery on all orders over $99 (excl. Super73). Orders under $99, a flat rate delivery charge of $8.50 applies.

All orders are dispatched with 24 business hours from our Gold Coast Showroom. 

Delivery times will vary from 2-5 business days for metro areas and 7-14 business days for rural and remote areas.

Read more: Shipping Information.

Returns & Refunds

Crooze is committed to 100% customer satisfaction, our 30-day returns policy is simple and You are always welcome to return any unused merchandise in its original condition within 30 days from purchase for an exchange, credit, or a full refund (shipping and Merchant fees excluded).

All you need to do is return your items to us, in original condition, for an exchange, store credit or refund.

Read more: Returns & Refunds.


Re-Engineered Frame
Andros™ Stem
Bosch PowerPack Battery
Bosch Active Line

Re-Engineered Frame

With a re-worked frame and frame geometry, the updated Vektron is now even better. The cockpit is longer for improved comfort for taller riders. The frame has been designed with additional forged and machined elements for additional strength without extra weight. The battery now reclines backwards, keeping the centre of gravity as low as possible for superior handling. And the new design allows the Vektron to stand up vertically when folded, making it even easier to roll around.

Andros™ Stem

Adjust to Fit. The Andros is our patented adjustable stem that lets you set your handlebars where you want—no tools, no fuss. In just seconds, you can set your riding position to long and low in a tough headwind, or upright and comfy for riding around town. You decide how you want to ride and the Andros makes your bike fit. Patented quick-release, tool-free design is easy to operate. The Andros design uses two stems, spaced widely apart for excellent torsional stiffness. Accommodates riders of all sizes so one bike can be shared by multiple riders. The patented design is FEA optimised and fully forged for maximum strength with minimum weight. Built to last stainless hardware and brass bushings for long-term durability.

Bosch PowerPack Battery

This impressive high-energy, high-power cell clips on and off your bike. The best-in-class design charges fast—from zero—in only 2.5 to 3.5 hours, and lets you ride longer and further between charges. You’ll be impressed by its long lifespan, light weight, and ease of charging. PowerPacks are available in 300/400/500 Wh variants, so you can forget about range anxiety.

Bosch Active Line

Adapted from Bosch’s German-engineered automotive applications, the Active Drive Line drive unit can take you up to 25 km per hour (20 mph in the U.S.) and operates dependably—day in and day out. The new generation of the Active Line is also 28% lighter and 25% smaller than the previous one, maintaining its excellent performance and low-levels of vibration while delivering an even quieter ride with less pedal resistance.


Charger Bosch Compact ChargerMotor Bosch Active Line, 36 V/250 W, max speed 25 kph (EU); max speed 20 mph (US), max torque 40 Nm
Battery Bosch PowerPack 400 WhRange 400 Wh: 50-130 km (30-80 mi)
Display Bosch Purion, 4 mode selectable, walk assistFrame Vektron G2 Frame
Frame Size One sizeFolding Time 10 sec
Fork Tern Tarsus, 6061-Al, hydroformedFolding Size 41 x 86 x 68 cm (16.1" x 33.9" x 26.8")
Wheel Size 20" wheelsTyres Schwalbe Big Apple, 55-406, puncture protection, Reflex
Rims Kinetix Comp, for discSpeeds 1 x 9
Rear Hub Shimano discFront Hub Shimano disc
Shifter Shimano Alivio, 1 x 9 spd, triggerSpokes & Nipples Stainless
Rear Derailleur Shimano Alivio ShadowCrankset Vektron custom, forged 6061-AL crankarm
Cassette/FreeWheel Shimano 11-32T, 9 spdBottom Bracket Motor integrated
Chain 9 spd, DHT for eBike, GST corrosion resistant coatingPedals MKS EZY
Shift Cable & Housing Jagwire LEX-SL, slick treatment, alloy ferrulesBrakes Levers Shimano, hydraulic disc
Front Brake Shimano, hydraulic discRear Brake Shimano, hydraulic disc
Brake Cable & Housing Shimano, hydraulic discClip System Magnetix 2.0
Front Light Tern Valo Direct, integrated, 41 lux/150 lumensRear Light Herrmans H-Trace, for eBike
Headset Tern Flux, cartridge bearings, Physis integratedStem Tern Andros, adjustable, forged construction, patented technology
Handlebar Flat bar, 6061-AL, Tern Andros adaptedSaddle Tern Porter, patented GripPad design
Fenders SplashGuard, stainless hardwareRack(s) Atlas Rack, integrated 8 point mounting, max load capacity 27 kg (59 lb)
Seatpost Tern Telescope, 34.9 mm, Lite 2014-ALSeatpost Clamp Oversize, 6061-AL, 2pc
Handlepost Tern Physis 3D, 3D forged, 5 patented technologiesGrips/Bar Tape Velo ergonomic, lock-on
Luggage Socket YesChainguard SKS Chainblade
Kickstand URSUS MOOI, rear mountBell Aluminum
Weight 21.9 kg (48.2 lb)Suggested Rider Height 147 - 195 cm (4'10" - 6'5")
Max Load Weight 105 kg (230 lb)

*Care is taken when providing product specifications. Occasionally, without notice manufactures may alter product design or specifications.

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