i have a volcano sv and the right front wheel is much harder to spin than the other tree wheels and it is something to do with the part that goes into the wheel it is just really stiff and hard to spin can anyone help??

it sounds as if your bearings have dirt in them! try cleaning them with wd-40 or after run oil!
i hope this helps!

if that doesn't work untighten the nut that holds the wheel on.......see if that helps

i sprayed sum rp-7 on it went 4 a drive and now its good but the dogbone popped out do you know why that may of happened and now i lost it and there is none in stock,