SRAM Post Bracket 20 P 2 Disc Brake Adaptor - For 200mm 220mm Rotors Only Includes Bracket Titanium Bolts Cassettes It features eight output modes

It features eight output modes and cutouts for side visibility as well as an impressive max runtime of 20 hours

Compression and midvalve circuit offer increased support and control

If you don't know where you fall on the Soft/Regular/Stiff scale

but it is extremely water and weather resistant

Disc-brake only

SRAM Post Bracket 20 P 2 Disc Brake Adaptor - For 200mm 220mm Rotors Only Includes Bracket Titanium Bolts Cassettes It features eight output modesSRAM Post Bracket 20 P 2 Disc Brake Adaptor For 200mm and 220mm Rotors Only Includes Bracket and Titanium Bolts. SRAM Avid Post Mount disc brake caliper mounting adaptors provide alternative mount positioning that allow the caliper to be used with different sized rotors than used on the frame or fork caliper mount. TECH SPECS Brake Caliper Type Post Mount