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

Tag: bike frame

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…

A trio of entrepreneurs from San Francisco has created a Ronin bicycle prototype using material of the frame – sheet metal. This frame is held together by “rivets and glue” and it boasts the elegance and clean lines. The frame itself weighs less then1.4 kg. There are carbon-fiber bikes, bamboo bikes, wooden bikes, but that firm in San Francisco has its hand-folded sheet metal bikes. After some experiments using heavy stock paper, the current prototype was built out of 0.6…