Manufacturer of e-bikes equipped with a patent-pending frame of aircraft-grade aluminum

Tag: bike frame

The popularity of welded bicycle framing is not decisive. Many titanium, steel, or aluminum frame manufacturers use alternate connections, which in many cases not only enhance the bicycle’s consumer qualities, but they also make it simpler and cheaper to produce. In spite of numerous innovations, basic frame design of the classical bicycle has changed little since the chain-driven version appeared around 1885 [1]. The first vehicle, however, was invented by the German Baron Karl von Drais in 1817 and was…

In comfort bicycles from Alter Cycles used a frame with swap different down tubes. It’s actually more curved, flexible bow-like … thing, that’s available in three levels of stiffness and the stiffness of the ride can be altered to suit the rider. Mark Groendal, an inventor of the Reflex, essentially redesigned the classic diamond frame that was designed over a hundred years ago. By modifying the front triangle into “the modified triangle” that flexes changes everything about the ride and…

A bicycle Cardigo provides a fun way to get your daily dose of aerobic exercise while being outdoors. Its front-end slides forward relative to the rest of the bike, helping to propel it while also reportedly offering more of a full-body workout. Designed by cyclist Dan Ogden, the stainless steel-framed Cardigo can be pedalled just like a normal bicycle. Turning a knob on the top tube, however, allows the rider to push the front end forward by 10 inches (25…