Throttle - Tamer - Rail Grips - MetricCaracteristicas: Even out the abrupt initial power delivery to eliminate throttle snap that's especially evident with modern EFI bikes Introduce a non linear ratio between hand throttle and the carb or throttle body opening Throttle cam's radius is reduced initially, which requires the rider to rotate the throttle slightly further to get the same opening position as stock; the radius increase after half throttle to keep the full throttle position at