Brass Presta valve adapter for converting from Presta to Schrader and inflating Features: 【 GENERAL ACCESSORIES 】This Valve Tool Makes It Easy To Convert Your Bicycle Or Electric Scooter Presta Valve To Schrader, Allowing You To Inflate Your Tires Using a Standard Pump Or Air Compressor 【 EASY TO USE 】Inflate Your Tires Before Riding, Enter Any Gas Station And Inflate Them Quickly. Even Without a Hand Pump (Or Co2 Cylinder), This Valve Adapter Makes It Easy To Use The Schrader Valve To Pump Up Your Bicycle Inner Tube At The Gas Station 【 HIGH QUALITY BRASS 】Made Of High Quality Solid Brass, This Electric Motorcycle Valve Adapter Is Durable And Has Precision Threads That Can Be Attached To The Air Pump. Rubber O-Ring Seals Fit Tightly To Prevent Leakage During Use 【 EASY TO INSTALL 】This Small Pocket-Sized Presta Valve Adapter Is Easy To Carry When You Travel, And You Can Leave The Adapter On The Tire Lever So You'Re Always Ready. Easily Fit Into Your Riding Bag Or Sweatshirt. Suitable For Mountain Biking, Electric Or Scooter And Racing.