17/18mm (17.5mm exactly) linear elastic with screw attachment. Sold in pairs.
Highly elastic S400 latex rubber, which also withstands extreme cold and Norwegian conditions well. Optimum elasticity and power!
The exclusive latex mixture S400 is unique to Salvimar. It has 400% stretch, which has been machine stress tested for over 30 minutes at the factory. The results showed that the elastic remains unchanged in shape, and maintains the same stretch and elasticity over time.
The length of linear elastics is measured between the links.
