18-function cycling multi-tool: Portable Blackburn bike tool for trail, road, gravel and MTB repairs. Integrated chain breaker: Compatible with 12-speed and fewer gears for quick drivetrain fixes on the go. Quick link removal tool: Safely splits stubborn chain quick links during roadside or trail repairs. Essential hex and Torx keys: Includes 2, 2.5, 3, 4, 5, 6 and 8mm hex keys plus T25 and T30 Torx tools. Disc brake pad spreader: Restores brake piston spacing after accidental lever squeezes when the wheel is out.