BBB Cycling BTI-165 CoreCap Colour:Black Lower Back Body: 100% Recycled

Lower Back Body: 100% Recycled Polyester

and Reactive Boost Tongue for personalized fit and performance

Stretch mesh panel over knuckles for flexibility and breathability

easy and you don't need tools

BBB Cycling BTI-165 CoreCap Colour:Black Lower Back Body: 100% RecycledThread the CoreCap over your presta valve stem after having removed the valve core You will now have a Schrader interface with a built in valve providing up to 300% more airflow Say goodbye to bending or breaking fragile Presta cores No more need to unscrew valve cores Compatible with all threaded presta valves with removable valve cores on inner tubes or tubeless wheels