Altering offset will still affect the CoG of the bike, but much less than changing the ride height. With this calculator you will see how bump and droop can affect camber. you might want to use our Professional Rake and Trail Calculator. It is simplicity itself and a great place to start learning about suspension geometry. If you want to enter other things like wheelbase and alternate fork lengths and find out how your rake and trail changes as well as the height of the forks etc. Sometimes it can be better to adjust the offset to achieve the desired result. Description The classic version of the suspension geometry calculator. You may adjust the ride height and get the rake and trail just how you want them, but in doing so you could completely screw up the bike’s centre of gravity in the process. The one thing to be mindful of when adjusting the ride height of your bike is the centre of gravity or CoG. Overview: The Roll Center Calculator lets you input, view, save, analyze and compare either Double A Frame or McPherson Strut front suspension geometry. And for newer riders, a slightly more predictable and stable bike would be more adequate. The longer you’ve ridden and the more track riding you’ve done – it’ll probably be at the racier, livelier end of the scale. Much of where you aim to land will come down to your riding experience. When setting up your bike you’re looking to find your place on this scale. Your front suspension geometry is defined by the following six variables which are: OFFSET: Centerline of the top steering neck to the centerline of the top. Calculation: -Adams uses hypotentous as its swing arm while we the horizotal distance,inorder to convert between the two we will use the front view angle: Triangle ABC: Fvsa length (horizontal) (AB)fvsl hypotenous (Ac)cos (fvsa angle)2914cos (5. Think about the handling of your bike as a scale with one end being the fastest turning machine on the road, and the other end is the epitome of stability and predictability. The Suspension Analyzeris our most detailed, 3-D, double A-arm (wishbone) suspension analysis program. To decrease the trail of your bike – for faster turning and less stability – you would do the opposite of these steps. To increase the trail of your bike – for more stable handling – you can add a larger front tyre/wheel, raise the front ride height, lower the rear ride height, increase the rake angle or by decreasing the offset distance. As the yolk slides down the forks we can see how the rake and trail are altered. Picture the front of the motorcycle blocked against a solid wall if you were to push directly on the rear axle forward, the upward angle of the swingarm would cause the rear suspension to extend. The (very crudely drawn) image above shows two bike chassis, the top as a more conservative set up, the bottom with a more extreme one.
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