Specialized

Custom Headset Bearing - 49.5x40.5x6.5mm (45x45deg)

Individual headset bearing with custom dimensions for various model road and mountain bikes. 

• Dimensions: 49.5mm OD x 40.5mm ID x 6.5mm Thick. 
• Interface: Campy Style - 45x45 degree. 
• Material: Steel

Compatible with:

• 2027 Tarmac SL9 S-Level - Shimano Dura-Ace Di2
• 2027 Tarmac SL9 S-Level - SRAM RED AXS
• 2027 Tarmac SL9 Frameset - FACT 10r Carbon
• 2027 Tarmac SL9 Expert - Shimano Ultegra Di2
• 2027 Tarmac SL9 Expert - SRAM Force AXS
• 2027 Tarmac SL9 Comp - Shimano 105 Di2
• 2027 Tarmac SL9 Comp - SRAM Rival AXS
• 2027 Tarmac SL9 - Warranty Frame
• 2027 S-Works Tarmac SL9 Team Replica Frameset - Soudal Quick-Step
• 2027 S-Works Tarmac SL9 Team Replica Frameset - SD Worx - Protime
• 2027 S-Works Tarmac SL9 Team Replica Frameset - Red Bull - BORA - hansgrohe
• 2027 S-Works Tarmac SL9 Team Replica Frameset - FDJ United - SUEZ
• 2027 S-Works Tarmac SL9 LTD - Remco Evenepoel
• 2027 S-Works Tarmac SL9 LTD - Built for Legends
• 2027 S-Works Tarmac SL9 Frameset - FACT 12r Carbon
• 2027 S-Works Tarmac SL9 - Warranty Frame
• 2027 S-Works Tarmac SL9 - Shimano Dura-Ace Di2
• 2027 S-Works Tarmac SL9 - SRAM RED AXS
• 2027 S-Works Epic 9 LTD - Built for Legends
• 2027 S-Works Epic 9 Frameset
• 2027 S-Works Epic 9
• 2027 S-Works Crux 5 Frameset - FACT 12r Carbon
• 2027 S-Works Crux 5 - Warranty Frame
• 2027 S-Works Crux 5 - SRAM RED XPLR
• 2027 S-Works Aethos 2 - SRAM RED AXS
• 2027 S-Works Aethos 2 - Warranty Frame
• 2027 Epic 9 Sport
• 2027 Epic 9 Pro
• 2027 Epic 9 Expert
• 2027 Epic 9 Comp
• 2027 Crux 5 Sport - Shimano GRX 800
• 2027 Crux 5 S-Level - SRAM RED XPLR
• 2027 Crux 5 Frameset - FACT 10r Carbon
• 2027 Crux 5 Expert - SRAM Force XPLR
• 2027 Crux 5 Comp - SRAM Rival XPLR
• 2027 Allez Sprint Frameset - D'Aluisio Smartweld Alloy
• 2027 Aethos 2 Pro - Warranty Frame
• 2027 Aethos 2 Pro - SRAM Force AXS
• 2027 Aethos 2 Pro - SRAM Force AXS
• 2027 Aethos 2 Expert - Shimano Ultegra Di2
• 2027 Aethos 2 Expert - SRAM Force AXS
• 2026 Tarmac SL8 Pro - Shimano Ultegra Di2
• 2026 Tarmac SL8 Pro - SRAM Force AXS 
• 2026 Tarmac SL8 Frameset - Warranty Frame
• 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 LTD - Year of the Horse
• 2026 S-Works Tarmac SL8 Frameset LTD - Yoon Hyup
• 2026 S-Works Tarmac SL8 Frameset LTD - Parra
• 2026 S-Works Tarmac SL8 Frameset LTD - Lucas Beaufort
• 2026 S-Works Tarmac SL8 Frameset LTD - Demi Dreaming
• 2026 S-Works Tarmac SL8 Frameset - FACT 12r Carbon
• 2026 S-Works Tarmac SL8 - Warranty Frame
• 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 - Warranty Frame
• 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 - Warranty Frame
• 2026 S-Works Crux - SRAM RED XPLR
• 2026 S-Works Aethos 2 LTD - Year of the Horse
• 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 S-Works Aethos 2 - Warranty Frame
• 2026 Epic World Cup Pro - Warranty Frame
• 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 XPLR
• 2026 Crux Comp - Shimano GRX
• 2026 Allez Sprint Frameset - D'Aluisio Smartweld Alloy
• 2026 Aethos 2 Pro - Warranty Frame
• 2026 Aethos 2 Pro - Shimano Ultegra Di2
• 2026 Aethos 2 Pro - SRAM Force AXS
• 2026 Aethos 2 Frameset - FACT 10r Carbon
• 2026 Aethos 2 Expert - Shimano Ultegra Di2
• 2026 Aethos 2 Expert - SRAM Force AXS
• 2025 Tarmac SL8 Pro - Shimano Ultegra Di2
• 2025 Tarmac SL8 Pro - SRAM Force eTAP AXS
• 2025 Tarmac SL8 Frameset - Warranty Frame
• 2025 Tarmac SL8 Frameset - FACT 10r Carbon
• 2025 Tarmac SL8 Expert - Shimano Ultegra Di2
• 2025 Tarmac SL8 Expert - SRAM Rival eTAP AXS
• 2025 Tarmac SL7 Sport - Shimano 105
• 2025 Tarmac SL7 Sport - Shimano 105
• 2025 Tarmac SL7 Comp - Shimano 105 Di2
• 2025 S-Works Tarmac SL8 – SRAM RED AXS
• 2025 S-Works Tarmac SL8 – SRAM RED AXS
• 2025 S-Works Tarmac SL8 Team Frameset - Red Bull - BORA - hansgrohe
• 2025 S-Works Tarmac SL8 Team Frameset - FDJ - SUEZ
• 2025 S-Works Tarmac SL8 Team Frameset - Soudal Quick-Step
• 2025 S-Works Tarmac SL8 Team Frameset - SD Worx - Protime
• 2025 S-Works Tarmac SL8 LTD: Red Bull - BORA - hansgrohe Edition
• 2025 S-Works Tarmac SL8 LTD - Year of the Snake
• 2025 S-Works Tarmac SL8 LTD - Remco's ‘Golden Season’
• 2025 S-Works Tarmac SL8 LTD - Forward 50 Collection
• 2025 S-Works Tarmac SL8 Frameset - Ready to Paint
• 2025 S-Works Tarmac SL8 Frameset - FACT 12r Carbon
• 2025 S-Works Tarmac SL8 - Warranty Frame
• 2025 S-Works Tarmac SL8 - Shimano Dura-Ace Di2
• 2025 S-Works Tarmac SL8 - Shimano Dura-Ace Di2
• 2025 S-Works Crux LTD - SRAM RED XPLR
• 2025 S-Works Crux Frameset - FACT 12r Carbon
• 2025 S-Works Crux - Warranty Frame
• 2025 S-Works Crux - SRAM RED XPLR
• 2025 S-Works Aethos Frameset - FACT 12r Carbon
• 2025 S-Works Aethos - Warranty Frame
• 2025 S-Works Aethos - Shimano Dura-Ace Di2
• 2025 S-Works Aethos - SRAM RED AXS
• 2025 Epic World Cup Pro - Warranty Frame
• 2025 Epic World Cup Pro - SRAM X0 AXS, RockShox Ultimate
• 2025 Epic World Cup Expert - SRAM GX AXS, RockShox Select+
• 2025 Epic 8 Pro - Warranty Frame
• 2025 Epic 8 Pro - SRAM X0 AXS, RockShox Ultimate
• 2025 Epic 8 EVO Expert - SRAM GX AXS, FOX Performance Elite
• 2025 Epic 8 EVO Comp - SRAM S-1000 AXS, FOX Performance
• 2025 Epic 8 Comp - SRAM S-1000 AXS, RockShox Select
• 2025 Crux Pro - SRAM Force XPLR eTAP AXS
• 2025 Crux Frameset - FACT 10r Carbon
• 2025 Crux Expert - SRAM Rival XPLR eTAP AXS
• 2025 Crux DSW Frameset - D'Aluisio Smartweld Alloy
• 2025 Crux DSW Comp - SRAM Apex XPLR
• 2025 Crux Comp - Shimano GRX
• 2025 Allez Sprint Frameset - D'Aluisio Smartweld Alloy
• 2025 Allez Sprint Comp - Shimano 105
• 2025 Aethos Sport - Shimano 105
• 2025 Aethos Pro - Warranty Frame
• 2025 Aethos Pro - Shimano Ultegra Di2
• 2025 Aethos Pro - SRAM Force eTAP AXS
• 2025 Aethos Frameset - FACT 10r Carbon
• 2025 Aethos Expert - SRAM Rival eTAP AXS
• 2025 Aethos Comp - Shimano 105 Di2
• 2024 Tarmac SL8 Pro - Shimano Ultegra Di2
• 2024 Tarmac SL8 Pro - Shimano Ultegra Di2
• 2024 Tarmac SL8 Pro - SRAM Force eTAP AXS
• 2024 Tarmac SL8 Frameset - FACT 10r Carbon
• 2024 Tarmac SL8 Expert - SRAM Rival AXS
• 2024 Tarmac SL8 Expert - SRAM Rival AXS
• 2024 Tarmac SL8 Frameset - Warranty Frame
• 2024 Tarmac SL7 Sport - Shimano 105
• 2024 Tarmac SL7 Sport - Shimano 105
• 2024 Tarmac SL7 Sport - Shimano 105
• 2024 Tarmac SL7 Comp - Shimano 105 Di2
• 2024 Tarmac SL7 Comp - Shimano 105 Di2
• 2024 Tarmac SL7 Comp - Shimano 105 Di2
• 2024 S-Works Tarmac SL8 Team Frameset - FACT 12r Carbon
• 2024 S-Works Tarmac SL8 Project Black LTD Frameset
• 2024 S-Works Tarmac SL8 LTD – SRAM RED AXS
• 2024 S-Works Tarmac SL8 Frameset - Ready to Paint
• 2024 S-Works Tarmac SL8 Frameset - FACT 12r Carbon
• 2024 S-Works Tarmac SL8 - Warranty Frame
• 2024 S-Works Tarmac SL8 - Shimano Dura-Ace Di2
• 2024 S-Works Tarmac SL8 - Shimano Dura-Ace Di2
• 2024 S-Works Tarmac SL8 - SRAM RED eTAP AXS
• 2024 S-Works Tarmac SL8 - SRAM RED eTAP AXS
• 2024 S-Works Crux Frameset
• 2024 S-Works Crux - Warranty Frame
• 2024 S-Works Crux - SRAM RED XPLR eTAP AXS
• 2024 S-Works Aethos Ready to Paint Frameset
• 2024 S-Works Aethos LTD - SRAM RED AXS
• 2024 S-Works Aethos Frameset - FACT 12r Carbon
• 2024 S-Works Aethos - Warranty Frame
• 2024 S-Works Aethos - Shimano Dura-Ace Di2
• 2024 S-Works Aethos - Red eTap AXS
• 2024 S-Works Aethos - Dura-Ace Di2
• 2024 Epic World Cup Pro - Warranty Frame
• 2024 Epic World Cup Pro - SRAM X0 AXS, RockShox Ultimate
• 2024 Epic World Cup Pro
• 2024 Epic World Cup Expert - SRAM GX AXS, RockShox Select+
• 2024 Epic World Cup Expert
• 2024 Epic 8 Pro - Warranty Frame
• 2024 Epic 8 Pro - SRAM X0 AXS, RockShox Ultimate
• 2024 Epic 8 Pro
• 2024 Epic 8 Expert - SRAM GX AXS, RockShox Select+
• 2024 Epic 8 Expert
• 2024 Epic 8 EVO Pro Frameset - FOX FLOAT Factory
• 2024 Epic 8 EVO Pro - SRAM X0 AXS, FOX Factory
• 2024 Epic 8 EVO Comp - SRAM GX Eagle, FOX Performance
• 2024 Epic 8 EVO Comp
• 2024 Epic 8 Comp - SRAM GX Eagle, Rockshox Select
• 2024 Epic 8 Comp - SRAM GX Eagle, RockShox Select
• 2024 Crux Pro - SRAM Force XPLR eTAP AXS
• 2024 Crux Frameset
• 2024 Crux Expert - SRAM Rival XPLR eTAP AXS
• 2024 Crux Comp - Shimano GRX
• 2024 Crux Comp - Shimano GRX
• 2024 Allez Sprint Frameset - D'Aluisio Smartweld Alloy
• 2024 Aethos Sport - Shimano 105
• 2024 Aethos Sport - Shimano 105
• 2024 Aethos Pro - Warranty Frame
• 2024 Aethos Pro - Shimano Ultegra Di2
• 2024 Aethos Pro - Force eTap AXS
• 2024 Aethos Frameset
• 2024 Aethos Expert - SRAM Rival eTAP AXS
• 2024 Aethos Expert - Rival eTap AXS
• 2024 Aethos Comp - Shimano 105 Di2
• 2024 Aethos Comp - Shimano 105 Di2
• 2023 Tarmac SL7 Frameset
• 2023 Tarmac SL7 Expert - SRAM Rival AXS
• 2023 Tarmac SL7 Expert - SRAM Rival AXS
• 2023 Tarmac SL7 Expert - SRAM Rival AXS
• 2023 Tarmac SL7 Comp - Shimano 105 Di2
• 2023 Tarmac SL7 Comp - Shimano 105 Di2
• 2023 Tarmac SL7 Comp - Shimano 105 Di2
• 2023 Tarmac SL7 10R - Warranty Frame
• 2023 S-Works Tarmac SL7 Frameset - Team TotalEnergies
• 2023 S-Works Tarmac SL7 Frameset - Ready to Paint
• 2023 S-Works Tarmac SL7 Frameset - FACT 12r Carbon
• 2023 S-Works Tarmac SL7 - Warranty Frame
• 2023 S-Works Tarmac SL7 - Shimano Dura-Ace Di2
• 2023 S-Works Tarmac SL7 - Shimano Dura-Ace Di2
• 2023 S-Works Tarmac SL7 - SRAM RED eTAP AXS
• 2023 S-Works Crux Frameset - FACT 12r Carbon
• 2023 S-Works Crux - SRAM RED XPLR eTAP AXS
• 2023 S-Works Aethos LTD - Campagnolo Super Record
• 2023 S-Works Aethos Frameset - Ready to Paint
• 2023 S-Works Aethos Frameset - FACT 12r Carbon
• 2023 S-Works Aethos - Shimano Dura-Ace Di2
• 2023 S-Works Aethos - SRAM RED eTAP AXS
• 2023 S-Works Aethos - Dura-Ace Di2
• 2023 Remco's Reign Celebration Tarmac Frameset
• 2023 Remco ‘Rojo’ Tarmac SL7 LTD
• 2023 Epic World Cup Pro - SRAM X0 AXS, RockShox Ultimate
• 2023 Epic World Cup Pro
• 2023 EPIC WC PRO - WF
• 2023 Crux Pro - SRAM Force XPLR eTAP AXS
• 2023 Crux Frameset
• 2023 Crux Expert - SRAM Rival XPLR eTAP AXS
• 2023 Crux Comp - SRAM Rival
• 2023 Allez Sprint LTD - Shimano 105 Di2
• 2023 Allez Sprint Frameset - D'Aluisio Smartweld Alloy
• 2023 Allez Sprint Comp - Shimano 105
• 2023 Aethos Pro - Shimano Ultegra Di2
• 2023 Aethos Pro - Shimano Ultegra Di2
• 2023 Aethos Frameset - FACT 10r Carbon
• 2023 Aethos Expert - SRAM Rival eTAP AXS
• 2023 Aethos Expert
• 2023 Aethos Comp - Shimano 105 Di2
• 2023 Aethos Comp - Shimano 105 Di2
• 2022 Tarmac SL7 Pro - SRAM Force eTAP AXS
• 2022 Tarmac SL7 Frameset
• 2022 Tarmac SL7 Expert - Shimano Ultegra Di2
• 2022 Tarmac SL7 Comp - SRAM Rival eTAP AXS
• 2022 Tarmac SL7 10R - Warranty Frame
• 2022 TARMAC SL7 SW FRMSET SAGAN
• 2022 S-Works Tarmac SL7 Ready to Paint Frameset
• 2022 S-Works Tarmac SL7 Frameset - Speed of Light Collection
• 2022 S-Works Tarmac SL7 Frameset - Sagan Collection: Disruption
• 2022 S-Works Tarmac SL7 Frameset - FACT 12r Carbon
• 2022 S-Works Tarmac SL7 - Speed of Light Collection
• 2022 S-Works Tarmac SL7 - Shimano Dura-Ace Di2
• 2022 S-Works Tarmac SL7 - SRAM RED eTAP AXS
• 2022 S-Works Crux Frameset - FACT 12r Carbon
• 2022 S-Works Crux
• 2022 S-Works Aethos Frameset - Sagan Collection: Disruption
• 2022 S-Works Aethos Frameset - Ready to Paint
• 2022 S-Works Aethos Frameset - FACT 12r Carbon
• 2022 S-Works Aethos - Shimano Dura-Ace Di2
• 2022 S-Works Aethos - SRAM Red eTap AXS
• 2022 Crux Pro - SRAM Force XPLR eTAP AXS
• 2022 Crux Frameset
• 2022 Crux Expert - SRAM Rival XPLR eTAP AXS
• 2022 Crux Comp - SRAM Rival
• 2022 Allez Sprint Frameset
• 2022 Allez Sprint Comp - Shimano 105
• 2022 Aethos Pro - SRAM Force eTap AXS
• 2022 Aethos Frameset - Sagan Collection: Disruption
• 2022 Aethos Frameset
• 2022 Aethos Expert - Shimano Ultegra Di2
• 2022 Aethos Comp - SRAM Rival eTAP AXS
• 2021 Tarmac SL7 Pro - Ultegra Di2
• 2021 Tarmac SL7 Pro - SRAM Force eTap AXS 1x
• 2021 Tarmac SL7 Frameset
• 2021 Tarmac SL7 Expert - Ultegra Di2
• 2021 Tarmac SL7 Expert
• 2021 S-Works Venge Frameset - Sagan Collection: Deconstructivism
• 2021 S-Works Venge Frameset
• 2021 S-Works Tarmac SL7 Frameset - Sagan Collection
• 2021 S-Works Tarmac SL7 Frameset - Celebration
• 2021 S-Works Tarmac SL7 Frameset
• 2021 S-Works Tarmac SL7 - Sagan Collection
• 2021 S-Works Tarmac SL7 - SRAM Red eTap AXS
• 2021 S-Works Tarmac SL7 - Dura Ace Di2
• 2021 S-Works Aethos Frameset
• 2021 S-Works Aethos - SRAM Red eTap AXS
• 2021 S-Works Aethos - Founder's Edition
• 2021 S-Works Aethos - Dura Ace Di2
• 2021 Allez Sprint LTD - SRAM Force eTap AXS 1x
• 2021 Allez Sprint Frameset - D'Aluisio Smartweld Alloy
• 2021 Aethos Pro - Shimano Ultegra Di2
• 2021 Aethos Pro - SRAM Force eTap AXS
• 2021 Aethos Frameset
• 2021 Aethos Expert
• 2020 Venge Pro - SRAM eTAP
• 2020 Venge Pro
• 2020 S-Works Venge Frameset – Sagan Collection Mirror LTD
• 2020 S-Works Venge Frameset – Sagan 7x Limited-Edition
• 2020 S-Works Venge Frameset
• 2020 S-Works Venge Disc - SRAM Red eTap AXS
• 2020 S-Works Venge Di2 – Sagan Collection LTD
• 2020 S-Works Venge
• 2019 Venge Pro
• 2019 VENGE VENGE SW DISC - WF
• 2019 S-Works Venge – Sagan Collection
• 2019 S-Works Venge Frameset - Sagan Collection
• 2019 S-Works Venge Frameset
• 2019 S-Works Venge Disc – SRAM eTAP
• 2019 S-Works Venge
• 2018 Venge Pro Disc
• 2018 Venge Expert Ultegra
• 2018 Venge Expert Disc
• 2018 S-Works Venge ViAS Frameset—Sagan Superstar
• 2018 S-Works Venge ViAS Frameset
• 2018 S-Works Venge ViAS Disc eTap
• 2018 S-Works Venge ViAS Disc Di2
• 2018 S-Works Venge Dura-Ace Di2
• 2017 Venge ViAS Pro Disc UDi2
• 2017 Venge ViAS Expert Disc Ultegra
• 2017 Venge Expert Ultegra
• 2017 VENGE SW DISC VIAS DI2
• 2017 S-Works Venge ViAS Disc eTap
• 2017 S-Works Venge ViAS Disc Frameset
• 2017 S-Works Venge ViAS Disc - Sagan Edition Frameset
• 2017 S-Works Venge Dura-Ace Di2
• 2016 Venge Pro ViAS
• 2016 Venge Pro ViAS
• 2016 Venge Pro VIAS Warranty Replacement Frame
• 2016 S-Works Venge ViAS Module
• 2016 S-Works Venge ViAS Di2
• 2016 S-Works Venge ViAS Di2
• 2016 S-Works Venge VIAS Warranty Replacement Frame