Front Sprocket #420 for Roketa ATVs Dirt Bikes Go Karts Chinese ATV Parts, Roketa ATV Parts. This replacement Chinese ATV Part fits 50cc, 70cc, 90cc, 110cc, and 125cc ATVs and Dirt Bikes. FITS #420 CHAIN ONLY - WILL NOT FIT KAZUMA ATVs - see Kazuma Parts This sprocket is available in 12T, 13T, 14T, and 15 teeth configurations. You can change the gearing of your ATV with these. SEE THE AVAILABLE OPTIONS ABOVE TO CHOOSE THE CORRECT SPROCKET NEEDED. Need slower speed for small riders? Choose the 12 teeth for lower speeds. Full Auto Tranny need more low end pulling power? Again the 12T is widely used to increase pulling power. VIEW ALL FRONT SPROCKETS FOR CHINESE ATVS-DIRT BIKES-GO KARTS AND SCOOTERS | 
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