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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Gearing Down a KDX 220
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[QUOTE="Jaybird, post: 699546, member: 22283"] It's a fact that the smaller the CS sprocket, the harder the chain has to work to accomplish the same. To figure ratio, it is simple... Divide the rear sprocket tooth number by the front. Ex: 12/47 Divide 47 by 12 and your ratio is 3.9:1 Divide 47 by 11 and your ratio is 4.27:1 Divide 51 by 12 and your ratio is 4.25:1 The simple way to look at it is "If my rear sprocket turns one full revolution, how many times will my CS sprocket turn?" The 12/51 set-up is virtually the same as the 11/47, however the fact is that the 12/51 will last longer. There is no reckoning involved, it's all basic math and engineering. [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Gearing Down a KDX 220
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