bleedkit kit spurgo sram mineral premiumThis kit is compatible with all SRAM brake systems that use mineral oil such as the DB 8, Maven, and Motive. Not compatible with SRAM brake systems that use DOT brake fluid. Package contents 2 syringes of 20 ml 2 M4 adapters 1 Edge adapter (for the new larger bleed ports) Replacement O rings Type 6 bleed block for SRAM DB 8 systems (11 mm thickness) Type 7 bleed block for SRAM Maven systems (11 mm thickness) T10 Torx wrench