what gear up kit for aprilia sonic gp

hi just wondering what gear up kit i need for my aprilia sonic its 70 cc Doppler Endurance Crankshaft with doppler c4 race bearings and seals yasuni city 16 chrome motorforce racing cdi stage 6 21 mm carb 99 jet Polini 32mm Long Sport Foam Air Filter PM Tuning X-Tech Clutch Bell PM Tuning Adjustable 107mm Race Clutch Polini Variator Pulley Polini High Speed Variator Polini EVO SLIDER 3.6mm malossi 6 Gram rollers 16x13 Polini Manual Choke Kit polini reed valve with carbon green reeds motorforce racing ignition coil full electronics re wire SRT lightened flywheel and str8 extreme cut waterpump cover tg speedfight 3 sound system lots of stuff apart from the gear up kit included is two images of my current gearing also need to locate a site to get a gearbox gasket from too cheers

http://postimage.org/image/hxw7w31xn/
http://postimage.org/image/maq60rlaj/