This subject seems to have been beaten to death on this site haha im not sure about RPM's website but the axle is about 2x the amount of the durablue. You can also look into the LSR....The durablue is a more brittle material then the LSR the durablue tends to break where the LSR will only bend both compnies have a warrenty but it appears LSR has a better one after breaking a durablue once the axle is no longer warrentied but the LSR is warrentied for life....I do not no much about the RPM mayb someone can chime in on them....I am not sure if RPM even makes them nemore
RPM & Lonestar are the only 2 that I would buy. Durabreak will get you hurt. Michelle has a RPM and the only problem has been the sprocket hub giving out after about a year of use. We are on our third one. I just started running a Lonestar and haven't had any problems so far. But time will tell.
We have had 3 Durablues break at my house this year.I have a RPM and have had 0 problems with it even after several flat landings from over shooting a jump.From my experience,the Lonestar and RPM will dend but the Durablue is more pron to breaking insted of bending.my .02.
Do you know that Michelle's sprocket hub is getting a little play in it again? It is the one with the steel insert even! I think that maybe the splines are just a tad off or something for it to do this.
I have both on my bike, I have stripped the LSR sprocket hubs before, but have had nothing but good luck out of the RPM. I have a new LSR in stock, and it only takes a few days to get the RPM. Depending on your funding as to which I would reccomend. The Durablue seem to break before bending, which scares me away from them.