Road & XC 1.75mm Thread Pitch Trainer Axle with end cap. 1pc Trainer axle 1pc Road/XC end cap Fits: 2018-2021 Search XR & Alloy 2018-2021 Search Steel 2018-2021 Section Carbon 2018-2021 Section Steel 2018-2021 Section Alloy 2020 Fluid HT *Specific Der. hanger must be used with axle on bike models below: 2021 Fluid HT - use hanger 913015-001-2 * 2020 Revolver HT - use hanger 913015-001-2 * 2022 Search XR Alloy