Inner Tube Valve Adapter - Brass Presta to Schraeder

Brass Presta to Schrader inner tube valve adapter. Presta is better 'cuz you can let the air out faster and easier, and presta rims are stronger since the hole in the rim is smaller. But Schrader is everywhere and it doesn't hurt to have one of these on all your presta wheeled bikes because you never know.