I put these on my bike after the original 105s wore out. Not cheap, but worth a look if you get nothing here http://www.chainreactioncycles.com/s?q=shimano+dura-ace+7900+10sp+down+tube+shifters
@TheArchitect 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.
I put these on my bike after the original 105s wore out. Not cheap, but worth a look if you get nothing here
http://www.chainreactioncycles.com/s?q=shimano+dura-ace+7900+10sp+down+tube+shifters