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Old 04-24-2014, 01:07 AM
fischer550 fischer550 is offline
Motorized Bicycle Elite Member
Join Date: Mar 2014
Location: Fort Collins, CO
Posts: 233
Default Re: Bought bottom end from Boy Go Fast, should I be worried?

Thanks for the info map bike. Again though, is a 38mm stroke better than a 40mm? What do you mean by "hybrid engine"
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