Product Description The TA Chinook11 is a 10-/11-speed chainring for MTB. Specifications:Application:All Mountain, Cross CountryAttachment:104 mm bolt circle diameter, 4-armTeeth:32 T, 34 T, 36 T, 38 T, 39 T, 40 T, 42 TGearing:2x10-speed, 3x10-speed, 2x11-speed, 3x11-speedTechnical Information:Material:aluminium (7075-T6)Compatibility:for MTB cranks with 104 mm bolt circleposition: centre (for 3x) or outside (for 2x)Features:CNC manufactureddesigned and produced in France Note:Chainrings with an older production date have an " 10" printed on them, while chainrings with a more recent production date have " 11" printed on them. However, there is no difference in compatibility (10- to 11-speed). The manufacturer recommends a difference of 10 to 14 teeth between the smallest and largest chainrings.Manufacturer Numbers:32 tooth:PL-41104259-3234 tooth:PL-41104259-3436 tooth:PL-41104259-3638 tooth:PL-41104259-3839 tooth:PL-41104259-3940 tooth:PL-41104259-4042 tooth:PL-41104259-42Contents:1 x TA Chinook11 chainring Manufacturer: Spécialités T.A. 41 bis rue de Laon 02150 Sissonne France france@specialites-ta.com