This set includes the necessary additional metal gears, shift fork & slide, plus servo saver and hardware. You will also require a 3 channel radio with end-point adjustment to operate this option (recommend TACJ0300, Tactic TTX300 3Ch Pistol-Grip Radio and standard servo for same).
HEAT TREATED HARDENED STEEL MACHINED GEARS
Knowing the harsh environments this system is intended for; the goal was to produce a gear set strong enough to take on anything thrown at it. This lead to developing a steel gear set that has been hardened, heat-treated and machined to tight tolerances for optimum performance. The 2-speed gear slider features the same treatment as the gears along with having four-tooth engagement design for accurate and rapid gears shifts on the fly.
FULL SET OF CARTRIDGE BEARINGS
Supplied in the 2-speed kit is a full set of cartridge bearings (6), which is great because while you’ve got the transmission apart it makes for a great rebuild opportunity.
Actuating the gear shifting can be done with either micro or standard sized servos thanks to the multiple mounts offered in the kit. It’s suggested to use a servo that features at least 80oz/in of torque to properly complete the shift. The kit features a servo saver design for increased servo longevity and two different servo horns (one long, one short) depending on servo used along with three inserts (23T, 24T, 25T) accommodating for various servo spline counts.
Within the package all necessary hardware needed to complete the installation of the 2-Speed conversion into your YETI ™ transmission is supplied, including the servo mounting screws.
• Heat treated, hardened, and machine cut gears (18T, 28T, 26T, 36T, slider)
• Full set of transmission cartridge bearings (AXA1221 and AXA1218)
• All necessary hardware (AXA146, AXA0145, AXA116, AXA0147, AXA0109, AX31073)
• Servo saver system, w/ two servo horns, three spline adapters (AX31009)
• Servo mounting brackets (micro and standard)
• Lo Gear ratio: 2:1
• Hi Gear ratio: 1.08:1
• Hi Gear Option ratio: 0.93:1
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