Product Description Super 11 SSC are Miche aluminium chainrings for Road use. Specifications:Application:RoadMount:110 mm bolt circle diameter, 5-armTeeth:34 t, 36 t, 38 t, 39 t, 50 t, 52 t, 53 tGearing:2x11-speedTechnical Information:Material:aluminium (7075-T6)Compatibility:every gearing systemFeatures:34 to 39 teeth for the inner chainring, 50 to 53 teeth for the outer chainringCNC-machinedanodised (Total Treatment)Manufacturer Number:CGSS Contents:1 x Miche Super 11 SSC chainring Weight: black | 34 : 29 g black | 50 : 108 g Manufacturer: MICHE S.R.L. Via Olivera 19 31020 San Vendemiano (TV) Italy info@miche.it