4YF 4-Channel 2.4GHz FHSS Stick Radio System w/R2004GF piston and the geometry is more

and the geometry is more stable and predictable when rock crawling

5mm wide hex is +2mm wider (per hex) than the stock hex

DATA LOGGING LITE* captures and records performance data from your vehicle to maximize performance and battery life

-T-FHSS SR/T-FHSS/S-FHSS/FASST-C2

Improve durability and throttle/brake feel with a new Factory Team aluminum clamping throttle servo horn

4YF 4-Channel 2.4GHz FHSS Stick Radio System w/R2004GF piston and the geometry is moreFeatures: FHSS (Frequency Hopping Spread Spectrum) eliminates frequency pins and signal interference Pushbutton transmitter receiver linking, with no binding plugs R2004GF receiver has coaxial antenna that can be positioned inside model for optimum reception Power Down Mode reduces RF power for 90 seconds, simplifying ground checks for interference All channel servo reversing for more installation options. Power and servo reversing switches are