Choke body, "arrow logo" (MZA) - Simson Note: The choke body includes a lever, spacer, bolt with nut and damping rubber. Can be used for: Simson S51, S53, S70, S83, SR50, SR80 The product of the MZA, which is the exclusive holder of the SIMSON brand. GPSR Contact: MZA Meyer–Zweiradtechnik GmbH, Baunsbergstr. 60-62, 34131, Kassel, Germany, gpsr@mza.de