I believe that is a bespoke option for races that are primarily run on coasts where side winds are the main offenders.
Its actually for turbo trainer/roller wheelsets where high resistance is the aim of the game
@Turkish 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 believe that is a bespoke option for races that are primarily run on coasts where side winds are the main offenders.