Front Sprocket #30D for Chinese 50cc-125cc Engines 428-15TChinese ATV Front drive sprocket for the Chinese 50cc, 70cc, 90cc, 100cc, 110cc and 125cc ATVs, Dirt Bikes and Go Karts with #428 or #428H CHAIN ONLY. THIS SPROCKET USES A RETAINER WITH BOLTS SOLD HERE Our shop uses blue loctite-thread locker on these bolts and NOT lock washers. FITS #428 CHAIN ONLY and #428H Chain This sprocket is available in 12T, 13T, 14T, 15T, 16T and 17 teeth configurations. You can change the gearing of your ATV with these. SEE THE AVAILABLE OPTIONS ABOVE TO CHOOSE THE CORRECT SPROCKET TEETH WHEN ORDERING ONLINE. 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 and to slow the full autos down. Shop notes---Shaft size measurements are 17mm by 14mm. | Major Applications: | | Machine Make | Machine Model | Year Range | Notes | | all | all | 0 - 0 | - |
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