no been having lots of bs with this axle put heat lots of heat and no movement in the sproket and its 2 keyways have not moved .I hade a small mishape in the shope last weekend and ive been out of buisness for the week had a 1inch sliver fly off my hamer and stick in my face all the way and my modeling corere is over but i will just cut the sproket off with a zipp cut and buy a new one