Very fast, very bumpy, and with a lot of different surfaces – that was how the 22 Formula E drivers found the street circuit in Cape Town. Race number five of the season posed a number of challenges for the Hankook iON Race. Thomas Baltes, Hankook Formula E race engineer “The circuit is one of the fastest in Season 9. The bumps and five different types of asphalt, in particular, really put the drivers and our tyre through their paces. The difference in temperature between the red and the black asphalt was up to six degrees Celsius. That obviously affected the grip level. However, the high level of consistency demonstrated by the iON Race gave the drivers the confidence they needed to pull off overtaking manoeuvres and the belief that they had the necessary grip to brake hard at the end of the high-speed straights.”
