First ImpressionsThe Rock Star Amped is another pearl symmetric in the SPI lineup but unclear how it differentiates itself to make it a must have. Tamer Elbaga (Lefty)Style: TweenerRPM: 365 rpmPAP: 5 & 3/8 upAverage Speed: 18.5 mph (at release)Axis tilt: lowAxis rotation: medium/highTest Equipment: 14 PoundsLayout: 5 x 45 Bryan Hoffman (Righty)Style: StrokerRPM: 280 … Continue reading Roto Grip Rock Star Amped →