Manufactured from 100% CNC machined aluminum, the Lezyne Twin Speed Drive CO2 uses a simple Threaded Valve Operation for easy inflation, pressing easily onto Presta and Schrader valves for fast connection. Compatible with threaded CO2 cartridges only. The kit includes two cartridges. The Lezyne Lever Kit is an all-in-one patch kit and tyre lever combo. A durable aluminum case holds the patch kit while tyre levers serve as press-fit end caps. The glueless patches conform to inflated tubes with an aggressive adhesive. The patch kit instructions have an adhesive backing to serve as an emergency tire boot. The durable, high strength, Composite Matrix tyre levers have an aggressively shaped hook for quick tire bead removal. The kit includes a stainless steel scuffer. Patch refill kits.