Specialized Tarmac/Aethos/Crux/Epic Headset Bearing

This is a replacement Headset Bearing for many Specialized Road and Gravel Bikes. On the Tarmac SL8 and Aethos 2, this bearing works as either an upper or lower bearing. On the Crux and Aethos, this is the lower bearing. On the Epic 8, this is the upper bearing. This is compatible with the following bikes: Model Year Category Model 2026 Tarmac SL8 Pro - Shimano Ultegra Di2 2026 Tarmac SL8 Pro - SRAM Force AXS 2026 Tarmac SL8 Frameset - FACT 10r Carbon 2026 Tarmac SL8 Expert - Shimano Ultegra Di2 2026 Tarmac SL8 Comp - Shimano 105 Di2 2026 Tarmac SL8 Comp - SRAM Rival AXS 2026 Tarmac SL7 Sport - Shimano 105 2026 S-Works Tarmac SL8 Frameset LTD - Demi Dreaming 2026 S-Works Tarmac SL8 Frameset - FACT 12r Carbon 2026 S-Works Tarmac SL8 - Shimano Dura-Ace Di2 2026 S-Works Tarmac SL8 - SRAM RED AXS 2026 S-Works Epic World Cup Frameset - RockShox SIDLuxe WCID Ultimate 2026 S-Works Epic World Cup - SRAM XX SL AXS, RockShox Ultimate Flight Attendant 2026 S-Works Crux Frameset - FACT 12r Carbon 2026 S-Works Crux - SRAM RED XPLR 2026 S-Works Aethos 2 Frameset - FACT 12r Carbon 2026 S-Works Aethos 2 - Shimano Dura-Ace Di2 2026 S-Works Aethos 2 - SRAM RED AXS 2026 Epic World Cup Pro - SRAM X0 AXS, RockShox Ultimate 2026 Epic World Cup Expert - SRAM GX AXS, RockShox Select+ 2026 Epic 8 Pro EVO Frameset - FOX FLOAT Factory 2026 Epic 8 Pro - SRAM X0 AXS, RockShox Ultimate Flight Attendant 2026 Epic 8 Expert - Shimano XT Di2, RockShox Select+ 2026 Epic 8 Expert - SRAM GX AXS, RockShox Select+ 2026 Epic 8 EVO Pro - SRAM X0 AXS, FOX Factory 2026 Epic 8 EVO Expert - Shimano XT Di2, FOX Performance Elite 2026 Epic 8 EVO Expert - SRAM GX AXS, FOX Performance Elite 2026 Epic 8 EVO Comp - SRAM S-1000 AXS, FOX Performance 2026 Epic 8 Comp - SRAM S-1000 AXS, RockShox Select 2026 Crux Pro - SRAM Force XPLR AXS 2026 Crux Frameset - FACT 10r Carbon 2026 Crux Expert - Shimano GRX Di2 2026 Crux Expert - SRAM Rival XPLR AXS 2026 Crux DSW Frameset - D'Aluisio Smartweld Alloy 2026 Crux DSW Comp - SRAM Apex...