Yes, replacement air springs are available for the 2018-2020 Recon TK A1-A2/RL A1-A2.
Non-Boost:
11.4018.010.218 FORK SPRING SOLO AIR ASSEMBLY - 80-120MM-27.5/29 (THREAD 0.8MM)(INCLUDES TOP CAP, PISTON, SHAFT BOLT, SPACERS)-RCN SILVER RL B1+/TK C1+ (2017+)/RECON RL A1-A2 (NON BOOST)(2018-2020)
Boost:
11.4018.010.221 FORK SPRING SOLO AIR ASSEMBLY, 80-120MM, 26/27.5/29 (THREAD 0.8MM)(TOP CAP, PISTON, SHAFT BOLT, SPACERS) RECON SILVER RL B1+/TK C1+ (2017+)/RECON RL A1-A2 (BOOST)(2018-2020)
11.4018.010.224 FORK SPRING SOLO AIR ASSEMBLY, 130-150MM, 26/27.5/29 (THREAD 0.8MM)(TOP CAP, PISTON, SHAFT BOLT, SPACERS) RECON SILVER RL B1+/TK C1+ (2017+)/RECON RL A1-A2 BOOST(2018-2020)
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