stability and pack size
We use three different wheel sizes on our bikes, two 24″ sizes and one 20″. These carefully chosen sizes provide a perfect balance of low rolling resistance and stability, while still being compact enough to produce the small fold sizes achievable with our bikes.
handling and fit to match a ‘standard bike’
Bike handling is determined by a number of factors, but the geometry is probably most influential. We design our bikes with a steering geometry that gives precise, confident handling at both low and high speed and provides the same feel as a performance oriented conventional counterpart.
The contact points of any bike dictate how the rider will interact with the bike. We have carefully designed all our bikes so the contact points can be optimised for the rider, rather than to accommodate the idiosyncrasies of the folding mechanism. This means that, for the majority of riders, Airnimals can be tailored to provide optimal rider comfort and power output.
Light and Stiff
Folding bike manufacturers commonly concentrate on the fold with the riding performance of secondary importance. With Airnimal bikes, performance is primary and to that end a lightweight, stiff frame is essential. The use of lightweight 7005 aircraft grade Aluminium allows us to design our frames around a very large diameter monotube that provides exceptional stiffness, without any weight penalty. The result is an exceptionally responsive bike comparable in riding characteristics and performance with a conventional high end bike.
through standardised components
From the drive to steering and contact points, wherever possible, our bikes use standard mainstream components. This makes it easy to customise an Airnimal to specific requirements and gives more choice when either upgrading or replacing components at a later date.
Fold along center line
To maintain lateral stiffness all our bikes are designed to fold along the center line. This provides vertical movement for comfort and the fold, without compromising lateral stiffness which can affect responsiveness and handling.
On the Chameleon and Rhino the pivot is supported by large cartridge bearings, with either an elastomer or air sprung shock absorber providing the suspension. The Joey uses a long cantilevered seat post to provide damping with no active frame movement.
Links and credit
Airnimal Folding Bikes are designed and developed in Cambridge, the cycling capital of the UK, and are ridden worldwide.
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