Supersprox MX Aluminum Rear Drive Sprocket 52T Black (RAL 245 52 BLK) Options:52T Blue Automatically starts and stops from FR 32568 824XL 2XL Automatically starts and stops from the running of your engine by sensing the resonance (vibration) of the engine Model Width Height Rise Clamp Area Sweep Adventure 804 mm 123 mm 90 mm 109 mm 82 mm Adventure High 804 mm 174 mm 141 mm 109 mm 82 mm Carmichael 800 mm 77 mm 40 mm 195 mm 55 mm CR Hi 800 mm 95 mm 71 mm 204 mm 60 mm Factory Suzuki KTM 800 mm 92 mm 62 mm 217 mm 47 mm Henry Reed 800 mm 92 mm 66 mm 206 mm 57 mm Husqvarna Stock 811 mm 80 mm 39 Made from 7075 T6 aluminium for high strenght Fully CNC machined for a perfect fit