The 'c' comes after the 700 as in 700c The other number is width in mm
http://www.sheldonbrown.com/tyres.html
@hippy started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
The 'c' comes after the 700 as in 700c
The other number is width in mm
http://www.sheldonbrown.com/tyres.html