【Folding Bike】Dahon K One 20" Dual-Chainwheel Folding Bike: Not just an upgrade, but a leap forward! Exceptional value for money, why is it even lighter?

Posted by Jollymap - 2023-09-02T00:00:00.000+08:00 - 2025 Folding Bike Recommendation

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We have previously introduced Dahon's K One, and now we bring you one of the most popular 20-inch folding bikes in their lineup. This folding bike has gained popularity among cyclists due to its unique horizontal frame design, internal folding stem, and disc brake setup. It is a high-performance folding bike, which has attracted numerous enthusiasts who choose it as their modification project. And now, the K One has launched a brand new 18-speed dual-chainwheel version, and this upgrade is far from ordinary. The changes made to it are so extensive that they can be described as leaps and bounds. Let's continue reading to find out more!

Dahon K One 18-Speed Dual-Chainwheel Version Upgrade Unveiled

The latest Dahon K One 18-Speed Dual-Chainwheel version brings a host of exciting upgrades. Firstly, unlike the previous K1 model that only had one slot for dual-chainwheel installation, this version has been directly upgraded to a 53T/39T dual-chainwheel design, allowing for easier uphill handling.

In addition to that, the K One 18-Speed Dual-Chainwheel Version has undergone several other improvements. It has upgraded the previous square-tapered bottom bracket to a hollow bottom bracket, enhancing smoothness and significantly reducing weight.

Additionally, the front chainring design, combined with Dahon's in-house produced Wave-Crest transmission system, has been updated from 11-32T to 11-28T, offering a wider range of gear options.

Another upgraded feature is the wheelset.

The K One has been upgraded from the previous 20-inch 406 wheelset to a 451 wheelset. It has also redesigned some longer-length fork options, leaving room for future modification and upgrades. The larger wheel size not only enhances stability but also allows for the use of narrower road bike tires, reducing friction with the ground and improving inertia and speed.

The latest Dahon K One 18-Speed Dual-Chainwheel modelbrings multiple upgrades in various aspects, from the dual-chainwheel design to the hollow bottom bracket, chainring, and wheelset. Each improvement aims to enhance the performance and riding experience of the bike. Whether facing steep slopes or seeking higher speeds, this folding bike provides you with more confidence and enjoyment.

This new version of the Dahon K One is referred to as a leap forward because it has upgrades in several areas beyond just the wheelset and transmission system. Here are some of the upgraded features:

1. Frame

The K One's frame is equipped with a steel cable commonly known as the "top tube cable." This addition enhances the frame's strength and durability. Moreover, this design allows for more seamless cable routing, resulting in a cleaner and more aesthetically pleasing overall appearance.

2. Pedals

The pedals have been updated to a folding design, making them convenient for storage and transportation.

3. Seat

The seat of the K One has been changed from the previous bulkier design to a more streamlined seat, providing a better riding experience.

4. Stem

The addition of a Dahon badge on the stem enhances the brand recognition of the K One.

5. Pig snout mounting hole

Now, the Dahon K One is equipped with a pig snout mounting hole, making it convenient for users to install racks or storage boxes, thus enhancing convenience and expandability.

These thoughtful improvements make the new version of the K One even more impressive, offering enhanced performance and added convenience features. Whether it's the frame's durability, seat comfort, or the convenience of the folding pedals, each aspect has been elevated. These upgrades create anticipation for a superior riding experience with the new version of the K One.

Create a Stylish Look with Two Captivating Colors for the K One 18-Speed Dual-Chainwheel model

The K One 18-Speed Dual-Chainwheel model offers two captivating color options, allowing you to create a unique and fashionable style. First up, we have the striking matte black color, complemented by mesmerizing patterns, adding an indescribable charm to the entire bike. Whether it's the appearance or the design, it leaves a lasting impression.

Another option is the highly popular military green color, which showcases a fashionable and unique charm, captivating the attention of many cycling enthusiasts.

You may find yourself facing a dilemma of choice because both colors exude captivating charm. Regardless of which color you choose, the K One 18-Speed Dual-Chainwheel model will make you the center of attention on the streets.

Upgraded Features, K One 18-Speed Dual-Chainwheel model Retains Excellent Functionality

The K One 18-Speed Dual-Chainwheel model in this version retains its outstanding features, which are worth your attention.

These excellent features include Organomic handlebar grips, providing a comfortable grip sensation;

Clear and visible gear indicators allow you to easily monitor each gear change, ensuring smooth shifting.

Adjustable handlebars and seat height allow you to find the most comfortable riding position, ensuring a personalized and enjoyable riding experience.

Additionally, the K One 18-Speed Dual-Chainwheel model is equipped with powerful 140mm disc brakes, delivering reliable braking performance.

Even more pleasantly surprising, the K One 18-Speed Dual-Chainwheel model retains the side stand feature, providing added convenience when parking your bike.

These features and configurations are the highlights of the K One 18-Speed Dual-Chainwheel model, enhancing the riding experience. Whether it's long-distance travel or daily commuting, the K One 18-Speed model can meet your needs.

Lightweight Upgrade, K One 18-Speed Dual-Chainwheel Model Sets a New Weight Record

You might be wondering, what changes have been made to this version of the K One? Have the wheels been enlarged, and has the weight increased? Let's answer these questions right away. The new version of the K One 18-Speed model not only maintains its performance but also further reduces its weight. Compared to the previous version, the weight of the new K One 18-Speed model is 11.95kg, lighter than the previous 12.2kg. This means that the K One 18-Speed model is now a lightweight bike, weighing less than 12 kilograms.

This upgrade is closely related to the hollow BB (bottom bracket) and racing wheelset used in the K One 18-Speed model. These innovative designs and components not only enhance performance but also successfully reduce the overall weight of the bike. The lightweight design of the K One 18-Speed model allows for a more effortless and comfortable riding experience while delivering exceptional value for your investment.

Dahon K One 18-Speed Dual-Chainwheel model, when folded, has the following dimensions:

Length: 86cm
Width: 42cm
Height: 69cm

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