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Old 01-20-2014, 04:34 AM
Theon Theon is offline
Motorized Bicycle Elite Member
Join Date: Jan 2014
Location: FNQ Australia
Posts: 1,440
Default Re: DIY expansion chamber?

The purple bike will do about 70 Kph.
The old Raleigh just hits 80 Kph at 9500 rpm on a 36 t.
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