Muc-off Big Bore Hybrid Tubeless Valves Small - Pink Price Group:Price_S They're made of thin steel

They're made of thin steel and are nickel plated and heat treated for long use

148mm Boost

we started with a new fit that brings the foot closer to the pedal and flattens the sole profile

the Spark platform has been revamped

Red 0 - 25%

Muc-off Big Bore Hybrid Tubeless Valves Small - Pink Price Group:Price_S They're made of thin steelEngineered with precision and designed to deliver maximum inflation simply and efficiently, this patent pending valve sets a new standard and is the benchmark in high air flow tubeless tyre systems with a revolutionary 'Straight through' internal design for maximum airflow fire power. Our Big Bore Hybrid offers up to 245% higher air flow than traditional Presta valves thanks to the straight through bore design. Precision CNC machined from 7075