- The Birzman Diversity 17 is a multi-function tool designed for cyclists who require quick and efficient solutions on the road - It offers 17 integrated functions, covering the basic maintenance and repair needs of bicycles - Built with chrome vanadium steel and heat-treated alloy, it provides high resistance to wear, abrasion, and corrosion - Includes a CO2 inflator with an active valve function for controlled and precise inflation - Its compact and lightweight design makes it easy to carry in backpacks or pockets - Black color and one size, suitable for any cyclist - Ideal for those looking for a reliable, durable, and versatile tool for cycling and outdoor activities