Most e-trikes are heavy -- have you noticed? Yes, of course, that's one of the first things riders comment about when first experiencing an e-trike. Conventional trikes have no concerns about extra-heavy items such as electric motors or large batteries, so the frames can be designed with much less sturdiness. This means strength is less important, and conventional trike frames can be much lighter.

Thus, all the things we love about electric trikes--a powerful motor, long-range battery, generous payload—all of these require a frame of appropriate strength. If that frame is manufactured from steel, the frame may have plenty of strength, but there are a few other considerations when compared to aluminum.
The Mooncool Design Team has opted for aluminum alloy frames rather than steel for its TK line of e-trikes. Here's why:
The Aluminum Alloy Trike Frame
Quality control is job one at Mooncool. All resources are focused on delivering a strong, powerful, and reliable e-trike to every Mooncool customer. The trike frame is the foundation of that effort, ensuring each Mooncool TK1 e-trike begins with the perfect combination for frame strength, durability, longevity, and beauty...aluminum!
Weight
When designing the frame, every pound counts and aluminum is significantly lighter than steel. By its natural characteristics, aluminum is a less dense metal than steel. It has less than 50% of the density of steel, and this translates to a lighter frame. Because steel is a stronger metal, trike frames with steel tubes can have smaller tube diameters than aluminum frame tubes. However, even though aluminum frame tubing is typically larger, it remains lighter than the smaller steel tubing. For e-trikers interested in maximum range and ease of transport, every pound saved is significant.
Economy
The truth is that it simply costs less to manufacture trike frames when using aluminum. Aluminum frames are easier to mass produce, and yet they provide excellent strength and, importantly, lightweight. Mooncool is dedicated to ensuring that customers have access to e-trikes with the very best "bang for the buck," so it just makes good sense to use aluminum. The combination of low cost, excellent strength, and lightweight is unbeatable and helps keep Mooncool prices low.
Aesthetics
Yes, we e-trike enthusiasts dwell a lot on power, strength, and range, but we also want our rides to be eye-catching. Aluminum has molding capabilities far beyond that of steel, and that is very important to e-trike design. Aluminum frames can be designed and molded in flowing, aerodynamic shapes that are eye-candy for e-trike riders...not to mention that the aerodynamics add to the speed capabilities of any e-trike.
Additionally, the beauty of design goes beyond simple good looks. It also includes strength and safety. Mooncool uses state-of-the-art technology, including advanced welding, to construct a meticulously designed frame that is both strong and beautiful. The Mooncool Design Team works hard to ensure the long life, high quality, and safety of the frame.

Longevity
Mooncool Inc. is one of the very few e-trike brands that keep a close eye on the factory. The Mooncool offices are located close to the factory, which means the company maintains oversight of the quality of every frame. You can rest assured that a Mooncool e-trike is a wise investment.
The Mooncool TK1 frames are formed from 6061 aluminum alloy. This popular alloy provides exceptional strength, light weight, durability, and a defect-free highly pleasing appearance. It also provides corrosion resistance. Your Mooncool frame will never rust, no matter how long you leave it out in the weather. However, aluminum can corrode, especially if you get deep scratches or chips. Even so, aluminum corrosion is never a problem for Mooncool e-trike owners. The corrosion of aluminum amazingly strengthens the metal and even protects it from deeper corrosion...strange, but true.
Mooncool customers receive a high-tech frame that is strong, safe, and beautiful for unequaled riding stability and comfort on a very long-lasting frame. The Mooncool designers take key ergonomics as the primary criteria. The frame geometry and quality materials make Mooncool frames the foundation of “the most comfortable ride ever.” Mooncool owners tend to rave about the high quality of their e-trike and the ability to take long rides comfortably without tiring.
Comfort
The Mooncool Design Team has designed the TK1 frame in a way that allows efficient pedaling along with proper body positioning for comfort. Mooncool owners pedal comfortably and exert smooth force, making long-distance riding easy and effortless. This helps maximize the power and efficiency of every pedal stroke for riders who choose to exercise rather than using the throttle exclusively.
It may seem counter-intuitive, but aluminum is a more rigid metal than steel, and so the Mooncool frame flexes less under heavy pedal pressure than does a steel frame. The result is that more energy from the effort of pedaling goes directly to turning the wheel, and almost zero energy is wasted in flexing the frame. All this comfort is a result of using the most advanced aluminum frame technology. With the resulting lighter weight and strong durability, Mooncool again scores high in rider comfort and safety.
You can see that the beauty of a Mooncool TK e-trike is more than skin-deep. It is rooted in intelligent design, the best in aluminum frame technology, and an exceptional emphasis on quality control. As e-trike shoppers think about making the wisest decision on investing in an e-trike, Mooncool always rises to the top of the list. As somewhat of a newcomer to the e-trike market, Mooncool knows it must be better than the competition. And it is, indeed, the best. Considering the consumer-friendly price range of $1500 – $2000 for the TK line of e-trikes, no other brand matches the quality, power, comfort, and safety that Mooncool owners around the world enjoy every day.
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