The Tech 3 Duo Master cylinder is aimed to people wanting to operate individually 2 caliper's from one single hand. The design is derived from the proven Tech 3 master cylinder and with the finger reach and bite point adjustments on each lever, you can be sure the levers will feel comfortable and suit your riding style. The Tech 3 Duo Master differs from our Uno system as there is a total independency between the front and rear caliper's. 2 independent circuits for safe operation Flip Flop design – long lever only is handed Ergonomic Split clamp design Direct shifter mount available from SRAM shifter only Rigid CNC'd one-piece caliper Tech 3 lever offers genuine bite point and reach adjustment without tools CNC machined from 2014 T6 aluminium alloy Wide angle hose connector mount Top entry pad fitting Anodized for durability CNC machined from 2014 T6 aluminium alloy Compatible with a wide range of rotors from 160mm to 220mm.