<b>Caliper</b><br> 51mm Mechanical type for front&rear<br> Aluminum alloy<br> W/Return spring<br> W/Metallic compound pads<br> Simple pad changing without disassembling the caliper<br> Front adaptor for 160/180mm rotor<br> Rear adaptor for 160mm disc<br> PMC post mount compatible<br> Front adopter-free for post mount<br> 160mm disc<br> N.W.: 162g/wheel<br><br> <b>Rotor</b><br> Stainless steel for durability<br> Quick heat dispersion<br> Diameter: 160mm<br> N.W.:115g/pcs<br> <b>Bike Lever</b><br> Alumium alloy<br> For v-canti brake & mechanic disc brake<br> 2-finger blade<br> 3-Thumb shifter compatible<br> Reach adjuster & return spring<br> N.W.: 170 g/pair<br> Package: Lever, Calipers, Brake Pads, Rotors, Cable