Click on the images in the gallery to see the full size versions.
After entering the rider's measurements, First Gear calculates
the ideal bike size based on extensive biometric data.
A photo from an Internet auction lets First Gear calculate
frame size, standover height, or practically any measurement you wish.
Tell First Gear about your bike and it will show all your
gear sizes, as well as the bike running in real-time.
Hard-core single-speed and fixed-gear fans can find gear combinations
that will fit their frame, even as the chain wears. Accurate length
calculation enables frames with vertical dropouts to be used without a
First Gear is copyright 2006, 2007
Martin van den Nieuwelaar
Last updated 17 Sep 2007