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Old 07-24-2008, 02:11 PM
tylerlough tylerlough is offline
Motorized Bicycle Elite Member
Join Date: May 2008
Location: Mishawaka, IN
Posts: 109
Default Sprocket size for a little guy w/ a 70cc HT bicycle engine

I'm looking to bring the noise down and fuel economy up when cruising at 25, via a smaller sprocket.

I weigh about 130lbs and my bike w/motor weighs 55lbs.

How does a 30 tooth sprocket sound?
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