AON Racing run it. SCOTT-SRAM switched to it after Nino Schurter spent a year testing both. Tubeless-Pro Hi-Fibre is ammonia-free synthetic latex with quick-seal fibres — it handles pressures from 15 psi on a DH run to 120 psi on the road, seals punctures up to 8 mm, and stays liquid for 6+ months without balling up.
