Check this page out: http://www.sjscycles.co.uk/brakes-caliper-dept601_pg1/
You need to know how much drop you'll be needing, but only you with a tape measure can determine that. Once you've determined the model you want, hit eBay.
@Velocio 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.
Check this page out: http://www.sjscycles.co.uk/brakes-caliper-dept601_pg1/
You need to know how much drop you'll be needing, but only you with a tape measure can determine that. Once you've determined the model you want, hit eBay.