Steering Dynamics Question
Bicycles Asked by BostonGravel on December 18, 2020
as I contemplate reducing reach by either 1/ shortening my stem or 2/ shortening my dropbar’s reach, I have some questions about whether approach 1 or 2 will have a greater difference on my bike’s handling.
So, would love the group’s opinion on this theoretical question: Will all 3 of these handlebars steer the same? All have the same vertical and horizontal distance from the stem.
One Answer
From a naïve geometry point all three options are equivalent.
For real systems material properties and 3d geometry become relevant. For instance, your model (A) could not be made with a single piece bar. The double 90 degree bends needlessly increase stress.
On the level of one dimensional line figures there's no reasonable answer possible. To answer this question you need the actual dimensions and materials in a CAD model and then run an finite element analysis (FEA).
Answered by gschenk on December 18, 2020
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