The Hope Tech 3 E4 Duo Disc Brake & Lever Set features the Tech 3 Duo Master cylinder that is aimed to riders wanting to operate individually 2 calipers from one single hand. The Tech 3 Duo brake lever is combined with two E4 4-piston calipers that will suit any riding from XC to Enduro/All mountain.The Tech 3 Duo offers total independency between the front and rear calipers. Tech 3 lever design features finger reach and bite point adjustments on each lever, so you can be sure the levers will feel comfortable and suit your riding style. Flip flop design – long lever only is handed. Ergonomic split clamp design. Direct shifter mount available from shifter only. The E4 is a rigid CNC'd one-piece caliper that utilizes 4x16mm phenolic pistons for more usable power. Item Specifications:.