taco eater :
terry dean cain from sacramento, CA United States
apparently it isn't common knowledge that you can change the weights in these variators without spending lots of time pulling them apart. the more clever/knowing kids out there are probably already aware of this, but i blew a couple minds when i pointed this out to someone at the track last race. all you need to do is use your 5mm alan key to remove the two slider posts, then the blue top will rotate and you can drop weights in or take them out through the notches in the cheek! didn't you know that? you didn't? well now you know! and knowing is half the battle! YO JOE!
FOR YOUR INFORMATION 
