Product Description The Miche Super 11 UTG chainring is compatible with Shimano Road 2x11-speed Ultegra 6800 and 105 5800 cranks, which have an asymmetric bolt circle diameter of 110 mm. Specifications:Application:RoadMount:110 mm pitch circle, 4-arm asymmetricalTeeth:34 t, 36 t, 38 t, 39 t, 42 t, 44 t, 46 t, 48 t, 50 t, 51 t, 52 t, 53 tGearing:2x11-speedTechnical Information:Material:aluminium (7075-T6)Compatibility:Shimano Ultegra FC-6800Shimano 105 FC-5800Features:34 to 42 teeth for the inner chainring, 44 to 53 teeth for the outer chainringCNC machinedhardenedManufacturer Numbers:34 tooth:CGUTSBSH34B0036 tooth:CGUTSBSH36B0038 tooth:CGUTSBSH38B0039 tooth:CGUTSBSH39B0042 tooth:CGUTSBSH42B0044 tooth:CGUTLBSH44B0046 tooth:CGUTLBSH46B0048 tooth:CGUTLBSH48B0050 tooth:CGUTLBSH50B0051 tooth:CGUTLBSH51B0052 tooth:CGUTLBSH52B0053 tooth:CGUTLBSH53B00Contents:1 x Miche Super 11 UTG chainring4 x chainring bolts with covers (only for 44 - 53 t) Manufacturer: MICHE S.R.L. Via Olivera 19 31020 San Vendemiano (TV) Italy info@miche.it