HPI Crankshaft (SG Shaft 5.9) [117264] Traxxas Stampede 4X4 fly and land with optional use SPM9066 fly and land with optional use SAFE® Select flight envelope protectionThe unmatched stability and locked in feel of exclusive AS3X® technologyRugged landing gear with oversized tires for operation from a variety of surfaces including grassFunctional slotted flaps for shorter take offs landings and improved slow speed handling5 channel control with six (6) factory installed servos and linkagesFactory painted and finished in a scale resulting in a more scaled appearance when installed Genuine HPI Racing replacement or option part for RC maintenance repairs or upgrades