Master rem merek racing boy / RCB made in Malaysia. Fungsi : master rem racing daya tekan minyak rem ke kaliper lebih kuat sehingga rem lebih pakem. KETERANGAN : - Jenis S1. - Diameter piston 14mm. - Type kanan. - Include Switch rem + Breket + Tabung Smoke. - Original RCB. Ready : Black - Gold- Red-BLue