Valtteri Bottas has admitted that he fears showing ‘frustration’ at Stake F1 Team Kick Sauber as their mechanics do not always ‘give 100%’ amid a tough start to their year. The Hinwil, Switzerland natives are one of three teams still yet to score a point after the first three rounds. Sauber have also endured nightmares during some pit stops each race. Bottas has suffered two slow stops and Zhou Guanyu had one owing to repeat wheel nut problems. Only Alpine have also had a worse start to the 2024 season than Sauber thanks to the P11 in the Bahrain GP that Zhou secured. Bottas achieved his best …