Brake caliper, rear -PIAGGIO- Gilera Runner 1 50 (ZAPC1400000001001, ZAPC3620000004739, ZAPC364000001001, ZAPC3620000001001, ZAPC3610000001001), Gilera Runner 2 (RST) 50 (ZAPC46100, ZAPC46200), Gilera Stalker 50 (ZAPC13000), Piaggio NRG 50 (ZAPC3200000001