ST spring elements for parallelogram seat posts.
With suspension elements with different spring rates, every rider can individually adjust their by,schulz G.2 or D.2 parallelogram seatpost to their weight. The easily replaceable spring elements consist of a flat wire steel spring with internal elastomer. The ST / Short Travel versions are available in 5 different degrees of hardness for rider weights from 45 to 150 kg. The basic color of the spring is silver, the spring hardness is marked with a color code.
Also take a look at the LT spring elements
| Material | Steel |