Hi everybody. I´m Donato and this is my first message. I wish to learn a lot about bike suspension and the magnific program Linkage.
(Sorry for my ugly English
)
To begin, I have a doubt about how to consider the point of equilibrium or SAG.
For a regular user, the way to know the sag of the rear suspension is to know the % of the shock stroke, with the help of the scale or marks and the o-ring on the shock. But (I think) on Linkage you always consider the % of the real axle travel. But both values are conditioned by the
Leverage
Ratio.
For example, a sag=25% of the shock stroke could be a 30% of the rear travel in one bike and a 35% in another bike depending on the
LR. Equally, a 25%sag in rear travel, can be a 25% or 30% o another cypher in the stroke shock depending on the
LR.
This is very important when you have designed a suspension which works well in a short range around the SAG. Coming back to the examples, think about one suspension system designed to have a good anti-squat with 25%
of the rear travel. It´s possible that the final user will set a 25%sag on the shock, with the marks and o-ring on it. It could be a different %sag on the rear axle and the suspension doesn´t work well at this point.
Would it be as easy as notice it in the user's manual? Something like "for a right performance of the suspension set a XX%sag of the shock stroke...". And the "XX" would be equivalent to 25% rear travel.
Which is the right way to consider this fact?
Thanks