Sattelstütze XS (Umbau Set)
The XS seat post is required for people with an inner leg length of approx. 75.5 cm - 88.5 cm. The small saddle arch is required for the XS seat post and is attached to the NOHrD bike instead of the normal saddle arch.
Seatpost XL
The XL seat post is required for people with an inner leg length of over approx. 100 cm (measured with shoes from the ground to the crotch). The XL seat post is attached to the existing saddle arch instead of the normal seat post.