2006 Streetmate with minor mods
-26 MPH riding uphill into the wind
-27 MPH riding into the wind OR uphill
-30 MPH on flat ground with no wind
-32 MPH on flat ground with a mild tailwind
-35 MPH on flat ground with a stiff tailwind
-37 MPH running down a slight grade with no wind
-39 MPH running down a slight grade with a mild tail wind
-44 MPH ... absolute fastest she's ever gone (16 degree grade + 30 MPH tail wind)