I've run a fidlock system for a few years now with zero drops across everything from bike parks to the worst trail jank. The system is awesome and the Customer Service is, too - I got a new frame and the base from my old bike didn't work with my bottle. The rep I worked with tracked down someone with my frame model and worked with me to figure out a solution. Boom - the week I used an old school cage reminded me why I went fidlock in the first place.
Easy to assemble
True to the hype
I hate the look of cages, and this gives me the look I want with the functionality I need.
Used the FidLock for the first time mountain biking and it was true to the hype! The bottle stayed put in place and not once did I ever worry about it falling off!
The one advice or comment I can give is to possibly make a lefty side unlatch system... I am true lefty and need to get used to pulling with my right hand...