RDS001 GRIP tension 50-60 FAKE OR REAL??!?!?!?!?!?! on TW it say 55-65, but my friend he just bought a racket for me and it say 50-60 in grip size 2, for grip 3 its 55-65? is this right? this is stated on racket...is this fake? just found out that next to the RDS001 label had a SP on it whats this mean?!