The Tech 3 Duo Master cylinder is aimed to people wanting to operate individually 2 calipers from one single hand. 

The master cylinder is combined with either our X2, E4 or V4 calipers will suit any riding for XC to Enduro/All mountain to DH.
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 calipers. 

• Two E4 calipers
• 2 independent circuits for safe operation
• Tech 3 lever offers genuine bite point and reach adjustment without tools
• E4 calliper uses 4x16mm phenolic pistons to give more usable power
• Uses post mount, 9.74 caliper with adapters to suit all mount options
• CNC machined from 2014 T6 aluminium alloy
• Top entry pad fitting
• Shimano I-Spec A shifters can be fitted directly to lever body
• Separate direct mounts also available for Shimano I Spec 2, I-Spec EV & Sram shifters
• Anodized for durability
• Compatible with a wide range of rotors from 160mm to 220mm.