The new TTech Emax GT series brushless motors feature more power and efficiency than previous Emax motors. Motors include accessories for: Backplate mounting with bolt on prop driver or standard mounting. Collet style prop driver. GT2210/11 KV: 1470 Battery(Lipo): 2-3S Shaft Diam: 4mm Prop: GWS 8 x 4 / APC 7 x 5 Max Watts: 192 Max Thrust: 870g Weight: 55g Model Weight: 600 - 800g