Hub back plate - brake caliper bracket front -PIAGGIO- Vespa ET2 50 (ZAPC16000, ZAPC12000, ZAPC38100), Vespa ET4 125 (ZAPM19000, ZAPM04000), Vespa ET4 150 (ZAPM19000), Vespa ET4 50 50 (ZAPC26000, ZAPC26100), Vespa LT 125 (RP8M66503), Vespa LT 150 (RP8M666