![]() The clear and concise instructions suggest positioning the saddle 5mm further forward and 6mm higher than with a rigid post to account for the initial sag when sitting. Along with the suggested spring force setting, made by turning a threaded plug in the bottom of the post to compress the internal spring, this proved accurate to the point where no further adjustment was needed. The Redshift post uses both to impressive effect. Travel is a stated 35mm, through an arc moving backwards and downwards. This feels natural and, perhaps surprisingly, there’s no real sensation of loss of saddle height when pedalling. While heavier than an elastomer, a coil spring has a couple of advantages: it provides a linear compression rate and more travel for the same size linkage. ![]() Parallelogram posts have generally employed an elastomer Redshift’s Shockstop uses one or two coil springs, depending on rider weight. This leaves the deformable parallelogram, which can be orientated to let the saddle move pretty much as desired and with plenty of travel. A telescoping post, which potentially offers as much travel as anyone might need, tends to suffer from ‘stiction’ and constrains the saddle to move forwards as it drops. Of the three most obvious means of allowing saddle displacement to absorb bump shocks, simple flexibility is the lightest but offers limited movement. But they dropped out of the mainstream, due to a performance that was often less than stellar. ![]() Suspension seatposts never really went away after their 1990s’ heyday. Redshift Shockstop Suspension Seatpost £229.00 ![]()
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