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First Gear Ratio: 17T : 57T
Second Gear Ratio: 21T : 53T
Third Gear Ratio: 26T : 48T
It takes some time and skill to get it working right. Awesome when you get it right. I HIGHLY recommend getting spare hardware for this, and maybe an extra clutch. The set screws are easy to strip, and the high clutch takes a beating and wears out