{"product_id":"9imod-2pcs-multistyle-rc-25t-matal-servo-horn-arm-aluminum-for-1-8-1-10-1-18-trx4m-traxxas-rc-crawler-car-upgrade-replacement","title":"Aluminum Servo Horn Arm 25T for RC Crawler Car","description":"\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum Alloy Build\u003c\/strong\u003e — The arm is made of aluminum alloy with a hard aluminum construction for precision and durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25T Spline Fit\u003c\/strong\u003e — It has a 25T spline and M3 threads, and fits servo motors from Futaba, Power HD, Axial, Savox, Xcore, HSP and TowerPro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo Arm Sizes\u003c\/strong\u003e — It comes in two sizes, 20mm and 22mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC Machined Precision\u003c\/strong\u003e — It is CNC machined for precise size, and it is small and lightweight.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum alloy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpline:\u003c\/strong\u003e 25T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e M3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArm size:\u003c\/strong\u003e 20mm and 22mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScale:\u003c\/strong\u003e 1\/8, 1\/10 and 1\/18\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiece Count:\u003c\/strong\u003e 2 pcs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat It Is \/ How It Works\u003c\/h3\u003e\n\u003cp\u003eThis servo horn arm is a metal steering part for RC cars and crawlers. The aluminum alloy arm attaches to a servo, so the servo can turn the steering linkage.\u003c\/p\u003e\n\u003ch3\u003eWho It's For \/ Use Cases\u003c\/h3\u003e\n\u003cp\u003eServo horn arms suit RC hobbyists who are replacing the steering arm on a crawler or RC car and want a metal part over a plastic one. They also suit owners who keep a spare arm on hand for a build.\u003c\/p\u003e\n\u003ch3\u003eHow to Use \/ Care\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eCheck that your servo output has a 25T spline before choosing this arm.\u003c\/li\u003e\n\u003cli\u003eLine up the arm with the servo spline so it sits square.\u003c\/li\u003e\n\u003cli\u003ePress the arm onto the spline and fasten it in place.\u003c\/li\u003e\n\u003cli\u003eCheck that the arm turns freely before running the vehicle.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eHow to Choose\u003c\/h3\u003e\n\u003cp\u003eCheck the servo spline count first, since this arm has a 25T spline. Choose the 20mm or 22mm size that suits the horn fit on your vehicle. Aluminum alloy suits owners who want a metal arm rather than plastic. The pack holds 2 pieces, so check whether one or two arms are needed for your build.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat spline does this servo arm use?\u003c\/strong\u003e\u003cbr\u003eIt has a 25T spline and M3 threads, so match it to a 25T servo output.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich servo brands does it fit?\u003c\/strong\u003e\u003cbr\u003eIt fits servo motors from Futaba, Power HD, Axial, Savox, Xcore, HSP and TowerPro, including the TowerPro MG JX DS3218MG.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich RC models is it made for?\u003c\/strong\u003e\u003cbr\u003eIt fits 1\/10 scale Traxxas TRX4, Axial SCX10, SCX10 II and Tamiya CC01 90046 crawlers, and 1\/8, 1\/10 and 1\/18 RC models including the TRX4M.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is it made of?\u003c\/strong\u003e\u003cbr\u003eIt is made of aluminum alloy with a hard aluminum construction for precision and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many arms come in the pack?\u003c\/strong\u003e\u003cbr\u003eThe pack holds 2 pieces. 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