Foam Sponge Rockshox Fork | Sponge Bike Bicycle Fork | Dust Seal Fork Rockshox - 2pcs - Aliexpress
RockShox Dust Seal/Foam Ring Set: Black Flangeless 32mm x 41mm | eBay
RockShox RockShox Dust Seal/Foam Ring Set: Black Flangeless 32mm x 41mm Seal Fits- Bluto/RS-1/SID B1 (2017+) and 32mm Boost Forks - The Spoke Easy | Charlotte, NC
RockShox RockShox 2011-2013 SID / 2012-2013 Reba Dust Seal / Foam Ring Kit, Grey 32mm Seal, 5mm Foam Ring - The Spoke Easy | Charlotte, NC