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Old 07-29-2012, 12:28 PM
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Ludwig II Ludwig II is offline
Motorized Bicycle Elite Member
Join Date: Jul 2012
Location: UK
Posts: 4,302
Default Re: WOW ! I thought I was on my own...

I'm looking at restricting a mininmoto engine down to 1kw for legal purposes. Big problem is the silly small sprocket sizes, as low as 6 teeth, which might be ok in racing in short bursts, but I want something that lasts longer and is kinder to chains. There's a 4:1 reduction box available as well, that has an 11 tooth output, which isn't perfect, but it's better than a 6 or 7.
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