Yes, the travel of the 2024+ SID (35MM) D1 can be changed using any of the air shafts listed below.
11.4018.111.037 FORK SPRING DEBONAIR+ SHAFT - (INCLUDES AIR SHAFT AND BUMPERS) 100mm-29 - SID 35MM D1+ (2024+)
11.4018.111.038 FORK SPRING DEBONAIR+ SHAFT - (INCLUDES AIR SHAFT AND BUMPERS) 110mm-29 - SID 35MM D1+ (2024+)
11.4018.111.039 FORK SPRING DEBONAIR+ SHAFT - (INCLUDES AIR SHAFT AND BUMPERS) 120mm-29 - SID 35MM D1+ (2024+)
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