Yes, crown/steer tube assemblies are available for the 2019 Boxxer C1. Upper crowns are available in a “tall” or “short” variant.
27.5”-46mm offset/29”- 56mm offset:
11.4018.094.000 FORK CSU LOWER CROWN/STEERER ASSEMBLY GREY 35MM - 10OS (27.5, 46 OFFSET)(29, 56 OFFSET) - BOXXER C1-C2 (2019-2023)
11.4018.099.000 FORK CSU UPPER CROWN - 35MM, SHORT GREY- 10OS (27.5, 46 OFFSET)(29, 56 OFFSET) -BOXXER C1-C2 (2019-2023)
11.4018.099.001 FORK CSU UPPER CROWN - 35MM, TALL GREY - 10OS (27.5, 46 OFFSET)(29, 56 OFFSET) -BOXXER C1-C2 (2019-2023)
27.5”-36mm offset/29”-46mm offset:
11.4018.094.001 FORK CSU LOWER CROWN/STEERER ASSEMBLY GREY 35MM - 0OS (27.5,36 OFFSET)(29, 46 OFFSET) - BOXXER C1-C2 (2019-2023)
11.4018.099.002 FORK CSU UPPER CROWN - 35MM, SHORT GREY- 0 OS (27.5, 36 OFFSET)(29, 46 OFFSET) -BOXXER C1-C2 (2019-2023)
11.4018.099.003 FORK CSU UPPER CROWN - 35MM, TALL GREY - 0 OS (27.5, 36 OFFSET)(29, 46 OFFSET) -BOXXER C1-C2 (2019-2023)
RockShox service kits and spare parts are best obtained through your local shop or dealer. See our dealer locator, below, to find a dealer near you. If no one is currently listed near you, then please search for local shops via your preferred web browser.
https://www.sram.com/en/dealer-locator
Manuals and additional information about RockShox and SRAM components can be found at our service site, linked below.
https://www.sram.com/en/service
Further questions?
Reach out to Rider Support by Asking A Question at the link below.
https://www.sram.com/en/rockshox/campaigns/rockshox-rider-support