Lezyne crv 19 multi toolfounded with the goal of engineering and producing premium quality accessories that meet the same high standards as high end bicycle components lezyne is a cycling accessories industry leader with award winning products world wide featuresforged aluminum plates hold 19 chrome vanadium tool bitscrv multi tools feature the same tool options as the stainless series models including the forged and cnc machined stainless chain breaker that fits both nine and ten speed chain