Originally Posted by veganbikes

Don't do it, those Rinsten springs are terrible and everyone I have seen on them doesn't like them and they just aren't really safe. Maybe if you are a kid or super light maybe less dangerous but honestly no don't do it. If you have to modify it with bungees and straps and such that don't come with it probably not a great product and certainly not one I would want to add to a dropper as it adds significant height leaving me to get a shorter travel dropper which you might not want.

This is the product you are looking for thanks to Canker for originally posting it! I saw the title and was like PNW, PNW GET THE PNW and then I saw Canker had posted it and I was like good good, someone did it!