After two weeks with BHBlack 17, strung at 58lbs main 57lbs crosses on PDR+ cortex, playing 3 hours 4-5 times a week with 4.0 and 4.5 players (they rate me as 4.0 while I rate myself as 4.0 doubles and 3.75 singles with mostly eastern forehand and two handed backhand)
First week
Power: 9/10...