Tru-Tension Fill Fast Valve - Oil Slick GRAVEL even when mounted flush with

even when mounted flush with a seat post or stayMeets ANSI FL-1 Standard – Provides consistent and verified performance measurements for lighting productsIP-67 Submersible – Fully protected against dust and can withstand immersion in water between 15cm and 1m for up to 30 minutes

Lock Down: heel cup with anti-twist stabilization assures optimally secure foot position during intense accelerations and sustained high-cadence efforts

Wave tooth profile – Engineered for superior chain retention without a guide

Shock: N/A

Tru-Tension Fill Fast Valve - Oil Slick GRAVEL even when mounted flush withIntroducing FILLFAST, the cutting edge high flow, anti clog valve system. With 3. 75x the flow of standard Presta valves, it redefines efficiency and performance. Engineered for rapid, effortless inflation, FILLFAST sets the benchmark for high airflow tubeless systems, featuring Anti Clog technology for reliable, blockage free performance. Not sure what size to get? Stem length 44mm: <20mm. Stem length 60mm: 20 30mm. Stem length 80mm: 30 50mm.