The 2021-2023 SID (35MM) C1 is compatible with any of the Maxles listed below.
00.4318.005.001 AXLE MAXLE ULTIMATE FRONT, 15X100, LENGTH 146.5MM, THREAD LENGTH 9MM, THREAD PITCH M15X1.50 - PIKE, RS1, LYRIK B1, YARI, SID, SID SL, SID 35MM
00.4318.005.002 AXLE MAXLE LITE FRONT, 15X100, LENGTH 148MM, THREAD LENGTH 9MM, THREAD PITCH M15X1.50 - REBA/REVELATION/RECON/SEKTOR/XC32/SID/SID SL/SID 35MM
00.4318.005.018 AXLE MAXLE STEALTH FRONT, 15X100, LENGTH 148MM, THREAD LENGTH 9MM, THREAD PITCH M15X1.50 (NOT COMPATIBLE WITH RS-1) - 15X110 SID SL and SID 35MM
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