Cruzbike Recumbent Riders International
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This is a group for discussions among those who own or are interested in a new type of recumbent, the Cruzbike - a front wheel drive recumbent bicycle with a pivoting boom, or moving bottom bracket.
The Cruzbike is the world’s first commercially available product employing this unusual, yet highly workable format. There are currently four ways to get a Cruzbike:
- Bolt-on kit; you choose a donor bike and control the cost associated with your recumbent. You can begin inexpensively and upgrade components as your tastes change.
- Sofrider, which offers the front-wheel-drive advantage in a new-tech, jack-of-all-trades city/tourer.
- Quest, packable-frame recumbent with DualDrive internal gear hub, E-ring elliptical chain ring and two wheel-size options, 559 (26") and 451 (20").
- Silvio, a cutting-edge road bike offering aluminum and composite construction, free-running 700c wheels, and 21st century suspension, supplied as a frame kit.
- Vendetta, edge-of-the-envelope time trial machine setting distance and speed records all over the US.
Californian Tom Traylor has a US design patent (D277,744 Feb 26, 1985) for a moving bottom bracket bicycle. The Flevobike and the Chinkara used moving bottom brackets but were really mid steer bikes because of their very low steering head angle. Interestingly, the format of the boneshakers of the 1860s perhaps foreshadowed the modern Cruzbike geometry - minus the comfortable seat, dual suspension, lightweight alloy tubing, rubber tires and gearing!
Most riders are able to take a tour round the block within minutes.
Cruzbike ergonomics translate to many benefits:
o power and efficiency.
o comfort, no danger of saddle induced soft tissue damage.
o passive safety.
o aerodynamically better than a regular bike.
o conditions arms, legs and torso - a great work out.