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savagemania
04-10-2007, 06:42 PM
I am modifying an old BMX bike to have a 3hp motor. I am thinking of using a 12 tooth clutch and a 72 tooth sprocket. The tire is 20" in diameter. I am 150lb and was wondering before i buy the clutch if this will be sufficient to pull me around and up medium sized hills.

robertdjung
04-11-2007, 01:46 PM
I'd say so. You might get the 11 tooth clutch if you can.

savagemania
04-11-2007, 07:22 PM
If i can't find 11T will 12 work???

robertdjung
04-11-2007, 09:44 PM
sure. 11 would just be more power.