PRE-ORDER - Stocks are set to arrive first two weeks of June, and will be sent out to customers as soon as we receive them. 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
