SRAM Level TLM B1 Hydraulic Disc BrakeSRAM knows good value. It comes with practicality. Durability. Sensible design. The Level TLM is that sweet spot alloy lever blades, DirectLink actuation, DOT 5. 1 fluid, and a new two piston, two piece caliper all in a compact, lightweight package. This is the tried and true machinery, for all day, never quit performance. Technologies: Bleeding Edge: With this new caliper fluid circuitry, the bleed port has been moved to the bottom of the caliper,