Abus Timeshifter

Swiss Side simulated the Timeshifter against the ABUS GameChanger TT 1.1 on real race courses: 34–42 seconds faster over a 38 km TT, 2 to nearly 4 minutes faster over an Ironman bike leg. We at AeroGain tested it independently on 15 athletes against the strongest TT helmets on the market. The results held. Co-developed with Swiss Side across 112 CFD simulations, 194 wind tunnel runs, and 39 velodrome sessions. UCI-legal. TÜV-certified. Worn by Marlen Reusser to the UCI World Championship TT title in Rwanda, 2025. Shell sizing note: The external shell dimensions are identical for sizes M and L. Choosing a Medium does not compromise the aerodynamic profile. In the box: Helmet · Narrow visor (smoke) · Premium carrying bag · Helmet box Sizes: M (54–58 cm) · L (57–61 cm) Weight: 480 g (M) / 505 g (L) Colours: Velvet Black, Polar White UCI-compliant · CE EN 1078 · TÜV-tested