Rear Sprocket #12 fits #428 Chain - (41T) (58x90)This Chinese ATV rear drive sprocket uses a #428 Chain and the center hole measures approximately 58mm. Measuring directly across center from mounting bolt to mounting bolt is 90mm. All 4 mounting holes are NON-threaded and use M10 bolts. These original equipment replacement rear sprockets will interchange with many other brands and models of Chinese ATVs, Dirt Bikes, Scooters and Go Karts | Major Applications: | | Machine Make | Machine Model | Year Range | Notes | | Brancho Dirt Bikes | 150cc | 0 - 0 | - | | Thumpstar Pit Bikes | All Models 100cc+ | 0 - 0 | - | | X-Sport Pit Bikes | All Models 100cc+ | 0 - 0 | - | | Baja Motorcycles | MC125 | 0 - 0 | - |
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