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  • Tern Vektron foldable bicycle on a white background
  • Close-up of a bicycle wheel with disc brake system on a white background
  • Close-up of a Bosch Performance Line motor on a Tern electric folding bike.
  • Green Tern Vektron folding ebike with a black rack on a white background
  • Person working at a desk with a bicycle on wheels in an office setting
  • Close-up of a bicycle wheel with a kickstand on a white background
  • Man riding a cargo bike with plants in an urban setting
  • Diagram of Tern Vektron folding electric bicycle with labeled features on a white background
  • Woman with a Tern folded bike waiting at a train station
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Tern Bicycles

Tern Vektron S10 Electric Folding Bike

Tern Vektron S10 Electric Folding Bike

$3,549.00
$3,549.00
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Details That Matter

  • Motor & Assist: Smooth, predictable support ideal for hilly commutes or urban routes.
  • Range: Real-world use yields 34–60 miles depending on load, assist level, and terrain.
  • Drive & Folding Mechanism: Precision hinge and secure latch — folds compactly for transport or storage.
  • Adjustability: Stem and frame scale tool-free, so multiple riders can share without tools.
  • Rack & Carry: Heavy-duty integrated rack with solid mounting for child seats, panniers, or cargo.
  • Ride Feel: It rides like a full-size bike — stable, responsive, and planted.

Is This Your Tern Vektron? Read On.

You want a folding ebike that doesn’t feel like one. You want to skip traffic, take transit, stash it under a desk, or carry in a trunk without sacrificing ride quality or cargo capacity. You might have limited storage or worry about theft. If you value flexibility and performance in one package, the Vektron S10 is built for that balance.

Pure Tern

Folding bikes are Tern’s foundation. Mastery comes from repetition, and Tern has refined their system to the point where it feels like an established standard. The Vektron S10 reflects that maturity. Its folding system feels solid in the hand, its frame holds weight without protest, and its components are selected for daily utility. It is built to work hard while staying easy to live with, just like your partner ;)

Tern Vektron S10 Electric Folding Bike

Details That Matter

  • Motor & Assist: Smooth, predictable support ideal for hilly commutes or urban routes.
  • Range: Real-world use yields 34–60 miles depending on load, assist level, and terrain.
  • Drive & Folding Mechanism: Precision hinge and secure latch — folds compactly for transport or storage.
  • Adjustability: Stem and frame scale tool-free, so multiple riders can share without tools.
  • Rack & Carry: Heavy-duty integrated rack with solid mounting for child seats, panniers, or cargo.
  • Ride Feel: It rides like a full-size bike — stable, responsive, and planted.

Is This Your Tern Vektron? Read On.

You want a folding ebike that doesn’t feel like one. You want to skip traffic, take transit, stash it under a desk, or carry in a trunk without sacrificing ride quality or cargo capacity. You might have limited storage or worry about theft. If you value flexibility and performance in one package, the Vektron S10 is built for that balance.

Pure Tern

Folding bikes are Tern’s foundation. Mastery comes from repetition, and Tern has refined their system to the point where it feels like an established standard. The Vektron S10 reflects that maturity. Its folding system feels solid in the hand, its frame holds weight without protest, and its components are selected for daily utility. It is built to work hard while staying easy to live with, just like your partner ;)

Frequently Asked Questions

The Tern Vektron S10 is powered by a Bosch Performance Line motor with 65 Nm of torque, paired with a 400 Wh battery. Under real-world conditions, you can expect up to 60 miles per charge — not a lab figure. That's enough for multi-leg commutes, errands, and train-and-ride connections without constantly worrying about range.

Tern rates the fold at about 10 seconds, and in practice it's a straightforward process most riders get comfortable with quickly. Folded dimensions are 15.7 × 33.7 × 26.6 inches, which is compact enough to slide under a desk, fit in a car trunk, or bring onto a commuter train. At approximately 48 lbs, it's not a featherweight, but the fold is practical enough for daily use.

The Vektron S10 adjusts to fit riders from 4'10" to 6'5", which covers a wide range without modifications. All sizing adjustments are tool-free, so two people of very different heights can share the same bike without needing a wrench every time. This makes it practical for households where the bike gets passed between riders.

Yes — the rear rack on the Vektron S10 is rated for 60 lbs and comes Yepp EasyFit ready out of the box, so you can mount a compatible Yepp child seat without an adapter. The bike's maximum total load capacity is 275 lbs. Between the cargo rack and the Bosch motor's hill support, it handles grocery runs and school drop-offs without feeling underpowered.

The Tern Vektron S10 is a Class 1 electric bike, meaning it provides pedal assist only (no throttle) and the motor cuts out at 20 mph. Class 1 ebikes are the most broadly permitted category — generally allowed on bike lanes, paths, and roads where standard bikes are welcome. If you're unsure about local rules, it's worth checking with your city or trail authority.

The Vektron S10 is specifically designed to avoid the twitchy, nervous handling that plagues many folding bikes. The Schwalbe Big Apple 55-406 tires provide a cushioned, stable ride, and the geometry is dialed in to feel closer to a full-size bike than a compact folder. The Bosch Performance motor also means you're not making sacrifices on power — it's the same drive system used on much larger commuter and cargo ebikes.

The Vektron S10 is equipped with hydraulic disc brakes, which give you consistent stopping power in wet or dry conditions — an important feature on an electric bike that can move at speed with cargo or a child aboard. It runs a 10-speed drivetrain, giving you plenty of range for both flat urban riding and steeper hills even before the motor assist kicks in.

Yes — Clever Cycles in Portland, OR offers test rides on the Vektron S10 at their shop at 900 SE Hawthorne Blvd. They've been selling ebikes since 2007, so the staff can walk you through how it rides and folds in person. They also offer 12-month zero-interest financing if you'd prefer to spread out the cost. It's worth calling ahead to confirm current availability before making the trip.

Tern rates the Vektron S10 as medium maintenance, which is typical for a hydraulic-disc, 10-speed ebike. You can expect routine tasks like brake bleed intervals, drivetrain cleaning and lubrication, and occasional tire checks — nothing unusual for this class of bike. Because it uses a Bosch motor system, any Bosch-certified service center (including Clever Cycles) can handle motor and battery diagnostics if needed.

Most folding ebikes at this price point either compromise on motor quality, cargo capacity, or ride feel — the Vektron S10 is one of the few that pairs a genuine Bosch Performance drivetrain with a fast, practical fold and a rack rated for real loads. The folded footprint of 15.7 × 33.7 × 26.6 inches means it fits inside an apartment, under a standing desk, or in a car without dominating the space. If your main alternative is locking a full-size ebike outside, the Vektron S10 makes a strong case on security and convenience alone.