Tern Vektron Q9 vs. CUBE Fold eBikes: A Comprehensive Comparison

The world of electric bikes is rapidly evolving, offering a plethora of options for commuters and cycling enthusiasts. Among the prominent names, Tern Vektron Q9 and CUBE Fold Hybrid eBikes stand out. This article delves into a detailed comparison of these two models, highlighting their features, specifications, and overall performance.


Tern Vektron Q9 and CUBE Fold Hybrid are two different takes on the foldable eBike concept. The Tern Vektron Q9 is known for its robust design and versatility, while the CUBE Fold is celebrated for its compactness and ease of use. Both cater to urban commuters but with distinct features that appeal to different user needs.

Design and Build

Tern Vektron Q9

  • Frame: The Vektron Q9 features a hydroformed aluminum frame with a patented folding technology, providing a sturdy yet lightweight structure.
  • Foldability: It folds in less than 10 seconds, making it convenient for storage or transit.


  • Frame: The CUBE Fold also utilizes an aluminum frame but with a more compact folding mechanism.
  • Foldability: It boasts a one-step folding process, ideal for quick transitions.

Motor and Battery

Tern Vektron Q9

  • Motor: Bosch Active Line motor, providing smooth and reliable power assistance.
  • Battery: Bosch PowerPack 400Wh, offering a range of up to 100 km on a single charge.


  • Motor: Fitted with a Bafang rear hub motor, known for its quiet operation.
  • Battery: Uses a 250Wh battery, with a range of approximately 50-70 km.

Riding Experience

Tern Vektron Q9

  • Gearing: Equipped with a 9-speed Shimano drivetrain, allowing for a versatile riding experience.
  • Comfort: It has a telescopic seatpost and ergonomic grips, enhancing rider comfort.


  • Gearing: Features a simpler gearing system, suitable for urban environments.
  • Comfort: Compact design with an emphasis on straightforward, comfortable rides.

Additional Features

Tern Vektron Q9

  • Accessories: Comes with integrated lights, fenders, and a rear rack.
  • Display: Bosch Purion display, offering essential riding data.


  • Accessories: Minimalist approach with optional accessories.
  • Display: LED display for basic information.

Price and Availability

  • Tern Vektron Q9: Generally priced higher due to its advanced features and motor system.
  • CUBE Fold: More budget-friendly, appealing to cost-conscious consumers.

Pros and Cons

Tern Vektron Q9

  • Pros: Superior range, robust build, versatile for different terrains.
  • Cons: Higher price point, slightly bulkier when folded.


  • Pros: More affordable, extremely compact, easy to handle.
  • Cons: Limited range, less suitable for challenging terrains.


The Tern Vektron Q9 and CUBE Fold eBikes cater to different aspects of urban commuting. The Vektron Q9 is an excellent choice for those seeking versatility and range, while the CUBE Fold is ideal for city dwellers looking for a compact and straightforward eBike. Ultimately, the decision depends on individual preferences, commute requirements, and budget considerations.

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