Avid / SRAM Hydraulic Disc Brake Lever Spares Parts Piston Rebuild Seal Kit Etc
One or 2 of the Misc Parts are functional used spares. 1 Service Kit (no.5) is for spares as seals/piston aren't pristine. Many of these useful problem solvers if doing a rebuild. Choice of Retro Avid/SRAM Disc Brake Spares.