What valves does it work on: Presta

lightweight and comfortable knee guards

Not compatible with 11-speed road cassette's

How does it mount to the car: They are designed to be mounted on a 50mm tow ball

For RockShox Monarch

Seven 7 iDP M1 Youth Full Face Helmet - Youth L - Black PLP|Colour What valves does it workLightweight Full Face Protection the M1 Full Face Helmet is perfect for anything from racing to full days of uplifting or bike park laps. Our M1 Helmet is the ideal helmet to keep you protected and comfortable. The M1 Helmet has four colour choices so theres something for everyone in sizes from Youth Medium through to Adult XL. TECHNICAL DETAILS: Foam padded internal muzzle maximises protection and foam backed vents keep debris out. Adjustable peak