SunnySky X4-series Combo (Motor - ESC - Props) Sale! from 24554 /per Qty. Sold Out This is a power system for a 2.75 - 2.85KG 3D Sport Airplane In the Kit Motor: X4120 III-550KVESC: 100APropellers: 2 PCS EOLO 15 x 8 Qty available:-1 SKU:SSKY-X4-CMBO