Additional Details ------------------------------ Product description: Fits Specialized (aka part #S152600002) QR axle frames: 2016 CruX Elite EVO, X1 2016 CruX Expert EVO, X1 2016 CruX Pro Disc Frmset, Pro Race 2016 CruX SW Disc Frmset, SW 2016 Diverge CARBON DI2, Carbon frmset 2015-2016 Diverge COMP CARBON 2016 Diverge Comp CEN 2015 -2016 Diverge EXPERT CARBON 2016 My15, Diverge Expert CEN, X1 CEN 2016 Diverge Pro CEN, Pro 2016 Roubaix S-Build SW Roubaix Disc Frmset 2016 Roubaix SL4 Disc Power Specialized Edition CEN, SL4 Disc Power Specialized Edition, SL4 Expert Disc UDi2, SL4 Pro Disc Frmset, SL4 Pro Disc Race UDi2, SL4 Pro Disc 2016 Roubaix SW Roubaix SL4 Disc Di2 Thru Axle, SW Roubaix SL4 Disc Frmset