Replacement wheel magnet specifically designed for aero wheels. Get your computer dialled with the perfect magnet Get your computer dialed with the perfect magnet Getting the correctly sized magnets means that you're worrying about where the next coffee stop is, not if your computer is recording the ride. Getting the correctly sized magnet means that you're worrying about where the next coffee stop is, not if your computer is recording the ride. - Provides a sleek, low-profile, aerodynamic solution Provides a sleek, low-profile, aerodynamic solution - Universal wheel magnets work with any speed sensor Universal wheel magnets work with any speed sensor