ORIGIN 8 VISE II MECH PM RD/CX/GX FTorRR BLACK CALIPER ONLY (J)Cable actuated post mount mechanical disc brake caliper `Plug and Play` dual piston caliper for improved braking performance over single piston designs Dual piston brake pad actuation prevents rotor deformation Suitable for both front and rear wheel use Available in a Road Cross Gravel version, as well as a MTB specific design Fully adjustable design featuring pad in out fine tuning Includes mounting hardware and IS adapter Uses Origin8 disc brake pad