Rinsten Spring is the Ultimate Bicycle Shock Absorber for your bottom. It softens road vibrations, makes your bike ride smooth and keeps your body as healthy as it can be!
Forget the sense of discomfort caused by vibrations when riding on uneven terrain or potholes. Whether you open season riding a bike after a long pause or just regularly bike around town, our Spring will minimise annoying bumps and vibrations that plague all cyclists.
If you would like to find out more, please watch their kickstarter campaign below:
This same item is widely available on Amazon at much lower prices than listed, so why is it on kickstart as though it were a new product?