I have a 97 GSR with 17" rims that weigh 21 lbs. I wanna take it to the track, but put the 15 lb. stock rims on. Do I need to put the stock rims on the back also? Or does it only matter with the rims that are part of the drivetrain? Thx.

As far as tire rotation, it only maters with the two main wheels, but you will save 12lbs by using all four.................fISH