Product Description The stainless steel Singlespeed sprocket by Wolf Tooth Components is characterized by its special durability and large teeth for perfect chain retention. Specifications:Application:Cross Country, All Mountain, Dirtjump & SlopestyleGearing:1-speedGradation:16 T, 17 T, 18 T, 19 T, 20 TSprocket Material:stainless steel (416)Technical Information:Recommended Chain:9-speed, 10-speed, 11-speedCompatibility:all hubs with Shimano-type freehub toothing (for geared drivetrains or singlespeed)all chainsFeatures:singlespeed sprocketextra large teeth for reliable chain retention (in combination with a chain tensioner)heat treated and electropolished for extra durability and corrosion resistanceoptimised tooth width for 9- to 11-speed chainsreversible4.5 mm wide base for easy installationMade in Minneapolis, Minnesota (USA)Manufacturer Numbers:16 tooth:SSTSSCOG1617 tooth:SSTSSCOG1718 tooth:SSTSSCOG1819 tooth:SSTSSCOG1920 tooth:SSTSSCOG20Contents:1 x Weight: silver | 18 tooth: 35 g silver | 19 tooth: 38 g silver | 20 tooth: 40 g Manufacturer: Wolf Tooth Components 6400 W 105th St Bloomington MN 55438 USA info@wolftoothcomponents.com Distributor: Cosmic Sports GmbH Leyher Straße 47 90763 Fürth Germany info@cosmicsports.de