GSX-RRearWheelRotors

The GS500 has a rear rotor with an outher diameter of 250mm.
After doing the '88-'89 GSX-R750 rear wheel mod you'll end up with an 220mm rotor which only uses the half of the break pads.
There are rotor available that fits on the GSX-R rear wheel and have an outher diameter of 240mm. You can find them on:

GSX R Hayabusa (WVA1/E4.92/61.0012.00)1300CC1999 - 2007
SV-S (AV/K329)650CC1999 - 2002
GSX (A3/K426)1200CC1999 - 2001
GSX1200CC2002 - now
GSF BANDIT (WVA9/e4/0086)1200CC2001 - 2002
GSX R-W750CC1994 - 1995
GSX F750CC2004 - 2006
SV-SV S (AV/K329)650CC1999 - 2002
GSX R -W750CC1994 - 1995
GSX R W750CC1994 - 1995
GSX R50CC1987 - now
GSF BANDIT400CC1994 - 1996
GSF BANDIT1200CC1995 - 2000
GSX R WP,WR,WS,WT,WV (GU75C/G253)1100CC1993 - 2000
GSX F600CC2004 - 2006
RF R (GN76B/G319)600CC1993 - 1997
GSX F600CC1998 - 2003
GSR600CC2006 - 2008
GSF BANDIT (WVA8/e4/0060)600CC2000 - 2004
GSF BANDIT650CC2005 - 2006
GSX750CC1997 - 2003
GSX R K-N (GV73C/F024)1100CC1989 - 1992
RF RR,RS,RS2,T,V (GT73B/G616)900CC1994 - 1997
GSX R750CC1989 - 1993
GSX F750CC1998 - 2003
GSF BANDIT (GN77B/H008)600CC1995 - 1999

source: www.braking.nl