With high efficiency? large torque? and stable performance? the 2 Pairs MARSPOWER MX2212 KV920 CW/CCW Motor Kit is certain to become your number one choice! It provides constant high power to the compatible RC aircraft for a fast and stable flight. Moreover? the whole motor system has passed rigorous dynamic balance test to ensure its high reliability and durability. Thanks to its universal design? it is compatible with nearly all the popular frame in the market. And it is fairly easy to install. Don¨t hesitate to buy now!                                    Features             High efficiency? large torque<br> Provide constant high power to the compatible RC aircraft for a fast and stable flight<br> The whole motor system has passed rigorous dynamic balance test to ensure its high reliability and durability<br> Wide compatibility? universal design<br> Easy to install   <br>                                                            Specifications             Model     MX2212    <br> Motor KV Value     920KV    <br> Motor Diameter     28mm    <br> Motor Length (No Shaft)     24mm    <br> The Stator Diameter     22mm    <br> Battery     2-3Cells    <br> No Load Current     0.5A    <br> Material     Metal    <br> Weight     8.75oz / 248g    <br> Color     Silver    <br> Dimensions     (11.73 x 7.28 x 0.98)" / (29.8 x 18.5 x 2.5)cm (L x W x H)     <br>                                                             Package Includes            2 x CW Motors<br>2 x CCW Motors<br>