RESO main sprocket, Tuning - KR51/2, S51, S70, SR50, SR80 - 16 teeth - with weight-reducing holes- OrderNo.: 10099-E-S GTIN/EAN: 4056144041818 Manufacturer: MZA Meyer-Zweiradtechnik GmbH, Zeppelinstr. 1, 98617 Meiningen gpsr@mza.de CatalogueNo.: 12 16,70 € (incl. VAT, plus shipping) delivery time 2-3 workdays