Park Tool BKM-1 Hydraulic Bicycle Brake Bleed Kit - Mineral Oil The BKM-1 Hydraulic Brake Bleed Kit will bleed most models of mineral oil-based hydraulic bicycle disc brakes, including models made by Shimano, Magura, Clarks, Promax, Tektro, and TRP. Bleeding of hydraulic brakes removes air bubbles and contaminants from the braking system, for long-lasting components and peak performance. The BKM-1 is build for the rigors of daily commercial use, and includes two syringes, hoses with shutoff clips, multi-size bleed blocks, a bleed funnel, and a unique attachable syringe mount, as well as multiple hose fittings to fit the multiple standards found on hydraulic bicycle brake systems: Park Tool BKM-1 Hydraulic Bicycle Brake Bleed Kit - Mineral Oil The BKM-1 Hydraulic Brake Bleed Kit will bleed most models of mineral oil-based hydraulic bicycle disc brakes, including models made by Shimano, Magura, Clarks, Promax, Tektro, and TRP. Bleeding of hydraulic brakes removes air bubbles and contaminants from the braking system, for long-lasting components and peak performance. The BKM-1 is build for the rigors of daily commercial use, and includes two syringes, hoses with shutoff clips, multi-size bleed blocks, a bleed funnel, and a unique attachable syringe mount, as well as multiple hose fittings to fit the multiple standards found on hydraulic bicycle brake systems: M5x0.8mm (Silver) Hayes M5x0.8mm (Silver) Shimano Hose Compression Sleeve Shimano M5x0.8mm (Purple) Formula Cura M6x1.0mm (Green) Promax M6x1.0mm (Black) Universal M6x0.75mm (Blue) Magura The BKM-1 includes 1 replacement hose and a full set of replacement seals, and every part is replaceable and available from Park Tool. Housed in a rugged storage case. NOTE: The BKM-1 is for mineral oil-based hydraulic bicycle brake systems only. DOT fluid and mineral oil should never be mixed in the brake system or in their respective service tools. Cross contamination of brake fluid may cause seal failure which may result in brake failure. For brakes using DOT fluid use the Park Tool BKD-1 Hydraulic Brake Bleed Kit - DOT. TRUSTED SINCE 1963 Since our origins in the back of a bike shop in 1963, it has been our sole mission to design and manufacture high-quality tools that empower mechanics and riders of all skill levels to service their bicycles. As with our other 500+ tools, our bleed kits are a product of our decades of experience and expertise in the industry, in the shop and on the trail.