I don't know... I checked both Pazzo and CRG's site and didn't see GSX1300R listed but you might call them and check...Are there shorties out there for the Busa? I want some!!!
Anyway, I switched to a two and two grip when i got the Busa as well... Hell I gotta hang on somehow right?
Pazzo: http://www.pazzoracing.com/
CRG: http://www.constructorsrg.com/