Product Description The TSR (Tall Short Rings) chainrings from White Industries ensure a secure fit of the chain due to the alternating tooth profile. After several years of testing and development, in combination with high-precision manufacturing, a chainring has been created that is both light and stable as well as comparatively quiet. Specifications:Application:Cross Country, All Mountain, Road, GravelAttachment:White Industries Direct MountTeeth:28 T, 30 T, 32 T, 34 T, 36 T, 38 T, 42 TGearing:1x8-speed, 1x9-speed, 1x10-speed, 1x11-speed, 1x12-speedTechnical Information:Offset:3 mmChainline:49 mm (M30), 46.5 mm (R30 / G30)Material:aluminium (7075)Compatibility:White Industries cranks with a 30 mm axleFeatures:White Industries Tall-Short and Narrow-Wide Designstandard chain line for 135/142 mm over locknut dimensiondesigned and manufactured in Petaluma, California (USA)Manufacturer Numbers:silver / 28 teeth:CRINGTSR28silver / 30 teeth:CRINGTSR30silver / 32 teeth:CRINGTSR32silver / 34 teeth:CRINGTSR34silver / 36 teeth:CRINGTSR36silver / 38 teeth:CRINGTSR38black / 28 tooth:CRINGTSR28BKblack / 30 tooth:CRINGTSR30BKblack / 32 tooth:CRINGTSR32BKblack / 34 tooth:CRINGTSR34BKblack / 36 tooth:CRINGTSR36BKblack / 38 tooth:CRINGTSR38BKblack / 42 tooth:CRINGTSR42BKContents:1 x Manufacturer: White Industries 1325 Ross St. Suite A Petaluma CA 94954 USA info@whiteind.com Distributor: Cosmic Sports GmbH Leyher Straße 47 90763 Fürth Germany info@cosmicsports.de