well i got a pitpro 140cc and they have the same bak shock as the atomik rs as my brohas go one i put air in my shok and it made it have more rebound so wen u push it down it goes down quik and cums up slowly. we put air in my bros atomik rs and it didnt work but they are the exact same shok so yerr thats all i got to say about them just give it a go with an aircompressor.
cheers pickles