The backbone toolset of any bike enthusiast has to be based on the parts of the Crank Brothers Multi 19 Tool. Convenient, reliable, and compact, youll find everything you need to maintain your equipment this side of a mechanics counter. The Multi series of tools are Crank Brothers most popular and best-selling series of tools. The number in the name corresponds the number of parts in the tool. Weighing in at 175 grams, the Multi 19 Tool features an aluminum frame with sturdy high tensile steel components. It includes 2, 2.5, 3, 4, 5, 6, and 8 hex wrenches; two phillips and one flat screwdrivers; a 8/9/10 speed-compatible chain tool; #0, 1, 2, and 3 spoke wrenches; 8- and 10mm open wrenches; and T-10 and -25 torx heads. A stainless steel and polymer tool case protects the tool when not in use. Unseen but ever-present is Crank Brothers lifetime warranty. For those looking for a bulletproof toolset that can travel with them, the Crank Brothers Multi 19 Tool provides all of the basic necessities for maintaining your favorite ride.