Can i use the BEARING of my YYF PROTOSTAR (CENTER TRAC) to my YYJ TRINITY ? ???
probably. put it in the trinity half and if it fits then you can try it.
it fits i guess? the bearing spins fine is it ok ? i mean arent there any posiblities that i could brake it?
all you do is see if both are size C bearings, witch they are. if they are same size you can switch em