Product Description TA ONE 104 is a chainring with a special tooth profile so that the chain stays in place even without a chain guide. Allows conversion from 3x or 2x to 1 x 10- to 12-speed. Specifications:Application:Cross Country, All Mountain, EnduroAttachment:104 m bolt circle diameter, 4-armTeeth:30 T, 32 T, 34 T, 36 T, 38 TGearing:1x10-speed, 1x11-speed, 1x12-speedTechnical Information:Material:aluminium (7075-T6)Compatibility:MTB cranks with 4 arms and 104 mm bolt circle diameterFeatures:single chainring for conversion to 1xalternates between narrow and wide teethCNC manufacturedmatt finishoriginal hardware can still be useddesigned and produced in FranceManufacturer Numbers:30 tooth:PL-48104339-3032 tooth:PL-48104339-3234 tooth:PL-48104339-3436 tooth:PL-48104339-3638 tooth:PL-48104339-38Contents:1 x TA ONE 104 chainring8 x spacers to adjust the chainline Manufacturer: Spécialités T.A. 41 bis rue de Laon 02150 Sissonne France france@specialites-ta.com