TURBOFLOW VALVE KITDESCRIPTION: High flow valve kits for tubeless tires, sold as a pair. Boosts airflow efficiency by 300% for faster inflation Includes a Presta valve core tool 45 mm recommend for MTB Gravel 60 mm recommend for Road Gravel 80 mm recommend for Road Triathlon Head Presta Material AL CNC Compatibility 40 mm : Rim depth 35 mm 60 mm : Rim depth 35 50 mm 80 mm : Rim depth 50 70 mm Size 45 mm: 1. 3 x 1. 3 x 7. 4 cm 60 mm: 1. 3 x 1. 3 x 8. 8 cm 80 mm: 1. 3 x