MotoGP God
Posts: 18,275
Join Date: Apr 2002
Location: Oxford
Mood: Its ONLY a Bike Club
I remember weighing my 916BP disc (same as 600SS) my 748RS disc and a SPS disc and found there was very little difference in weight. My wavey discs are no lighter either, the only discs I have that are noticeably lighter are my Spondon ones and they aren't allowed.