Hard Chrome Steel SAE5140 46T Main Spur Gear 1 Mod M1-1pc for Traxxas 1/5 X-Maxx 1/7 XO-1 1/10 E-Revo 2.0 MAXX 1/6 XRT 6447

["Original number 6447 Please check it to dertermine if it fit your car or not","Do NOT use the pin system for setting the X-Maxx gear mesh Instead manually set the gear mesh without the pins With the pins removed use the four 4x16mm button-head cap screws on the bottom to set gear mesh Loosen the 4x16mm screws","Cut a narrow strip of notebook paper and run it into the gear mesh Slide the motor and pinion gear into the spur gear Tighten the screws and then remove the strip of paper You should be able to run a fresh strip of paper through the gears without binding them","Chrome steel itself has extremely high toughness and hardness and with added hardening treatment it is more sturdy and durable","Will fit 1/5 X-Maxx 1/7 XO-1 1/10 E-Revo 2.0 MAXX 1/6 XRT"]