The Serpent 500504 4-Gear Laydown Transmission Kit is aimed at drivers who want a steadier, more controllable Spyder SRX2 1/10 2WD buggy. The layout moves weight forward and down, helping stability and traction on high-grip surfaces such as carpet, clay and astro.
The four-gear configuration produces a smoother, less abrupt acceleration profile compared to a three-gear arrangement, which aids driver control through tight sequences. The case accepts diff height inserts so you can set high, center or low positions to suit track grip.
Included is a CNC 7075 T6 motor plate to firmly mount the motor to chassis and case. An aluminium chassis upgrade is required for fitment; when using the SRX2 MM donor this kit includes the necessary parts. Detailed assembly steps can be found in the online PDF manual.
This transmission is well suited to racers seeking consistent throttle control and improved front-end feel on high-traction tracks, with adjustability to match a range of driving preferences.
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