Product Description The Salsa Alternator Swing Plate dropout for singlespeeds is compatible with M12 thru axles. It is mounted on the righthand side. Available in 1.5 and 1.75 mm thread pitch (TP). Compatibility:Salsa frame with Alternator 1.0 dropoutsModels:M12x1.5:FS1376M12x1.75:FS1375Contents:1 x Salsa Singlespeed thru-axle dropout Manufacturer: Salsa Cycles 6400 W. 105th St. Bloomington MN 55438 USA info@salsacycles.com Distributor: Cosmic Sports GmbH Leyher Straße 47 90763 Fürth Germany info@cosmicsports.de