Park Tool BKD-1 - Hydraulic Brake Bleed Kit for DOT Fluid Fork Mounted Acoustic tube is attached to

Acoustic tube is attached to a high quality speaker that connects discreetly below your shirt collar

towel hook w/ velcro attachment feature

568" in height6 grains in weight36 vanes per pack

Compatible with any rim width and both carbon and alloy rims

Park Tool BKD-1 - Hydraulic Brake Bleed Kit for DOT Fluid Fork Mounted Acoustic tube is attached toThe BKD 1 Hydraulic Brake Bleed Kit will bleed most models of DOT fluid based hydraulic brakes, including models made by SRAM, Hayes, Formula, and Hope. Bleeding of hydraulic brakes removes air bubbles and contaminants from the braking system, for long lasting components and peak performance.