Designed in-house, the RS40 is the highest performing Nano servo on the market! Built for 1/24 & 1/32 micro vehicles like the Losi Micro B (aluminum mount required) and more! Offering a high quality coreless motor and magnetic angle sensor,  the RS40 operates with extreme precision and efficiency. This servo is tiny, but packs plenty of power and speed as the highest performing nano (sub micro) servo on the market! Fully 8.4v capable, it works with all higher voltage capable systems. All metal gears for increased durability. Water resistant with fully conformal coated internals. 

* Not for use in 1/18 steering

* Our aluminum mount is required to use the RS40 servo in the Losi Micro B. 

* The aluminum servo saver horn and mount are sold separately.