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Old 05-17-2015, 11:14 PM
dtv5403 dtv5403 is offline
Motorized Bicycle Elite Member
Join Date: May 2015
Location: USA
Posts: 324
Default Re: head tube replace

Speed all depends on gearing. I am gearing my bike to cruise at 30. The gear ratio calculator I use on my laptop tells me 31.6mph at 6000 rpm, and 30 at 5700 rpm. I will keep it around 30 to keep the rpms down a bit and keep the engine happy.
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