Please care about the material of the bicycle hanger is the aluminium alloy!Please make sure the hanger fits your bike well before place order ! ! !We strongly recommend you visually confirm your hanger choice with your existing hanger!Compatible with for the following bikes,but only for your suggestion,we donot responsible for the size of bicycle hanger if donot fit your bike frame!Bicycle hanger for:Fits Cannondale (aka gear hanger #KP121) frames:2016-2018 F-Si 292016-2017 F-Si 29, F-Si 29 Alloy2015 F-SI Carbon Black Inc., F-SI Factory Racing, FS-I Carbon 2, F-292013 - 2015 F29 2013 Trigger carbon2011 - 2012 Flash carbon, Flash alloy2011 ScalpelFits Kestrel frames:2018 5000 SLPackage Contents:5pc Bicycle gear hanger with Bolts(The blots are the gifts,we send them in radom colors and sizes. We donot accept any dispute only about the blots,If you need to specify the size and color, please buy separately.