I don't think you can fault Cav there, it is a small movement , Viviani was simply too close, over-lapping wheels as Dan said.
@Jimmy_Fingers 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 don't think you can fault Cav there, it is a small movement , Viviani was simply too close, over-lapping wheels as Dan said.