With the Crankbrothers Multi-19 tool you can do most anything apart from brewing your pre-ride coffee. It comes equipped with a 8/9/10 speed compatible chain tool, 2, 2.5, 3, 4, 5, 6, 8mm hex wrenches, 4 spoke wrenches, Torx T-25, 2 flat head and 2 phillips head screw drivers, 8/10mm open wrenches. The Torx wrench is ideal for disc brake rotors. Like the Multi-5, it's lightweight at 175g and unobtrusively sits in a jersey pocket.