Mini Bike Pump Fits both Schrader, Presta Valves and Comes With Adapters. DURABLE and PORTABLE. Free Shipping For Prime Members. Works With All Bicycle Types. EXTREMELY LIGHT, Micro-Sized, Universal Tire Inflator, Ships with Amazon A-to-Z Guarantee! EXTREMELY LIGHT. At just 3.2 ounces, this bike pump weighs as much as a small apple. 110 PSI. Use this universal bike pump to fill your bikes tire, so you can get back to biking ASAP. CNC MADE. Strong alloy material ensures your pump doesnt break, even while biking in the most rugged terrain. SIZE. Approximately .78 inches wide x 7.4 inches long, which is roughly the width of two fingers pressed together, and the length of tips of your fingers to your lower wrist. Experience what its like to have a dependable bike pump by adding this product to your cart now!