Try the Strava app for your phone, it's meant for cycling but will give accurate ish speeds via GPS.
Get super low over the handlebars
+
![[Image: 93.jpg]](http://cdn.triathlete-europe.competitor.com/files/2013/07/93.jpg)
Should see you an extra 7mph easy!
Get super low over the handlebars
+
![[Image: 93.jpg]](http://cdn.triathlete-europe.competitor.com/files/2013/07/93.jpg)
Should see you an extra 7mph easy!
![[Image: sigjpg.jpg]](http://i44.photobucket.com/albums/f32/cassandra--gemini/sigjpg.jpg)
Serious.