Derivation of a pitch angle value for the motorcycle Mateusz Lazarek, Juliusz Grabski and Przemyslaw Perlikowski Eur. Phys. J. Special Topics, 229 12-13 (2020) 2225-2238 Published online: 28 September 2020 DOI: 10.1140/epjst/e2020-900278-4