Compatible with Traxxas Slash 4x4 4WD/2WD/VXL Rally/ Stampede 4x4 VXL /Traxxas 1/10 Summit/Trxxas 1/10 E-REVO /T- Maxx/Jato/ Rustler 4X4 VXL / Summi t/ T-Maxx. Three pinions is 5mm, Using the coupler can convert 3 pinion apertures to 3.175mm.
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