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This tough steel 18T Mod1 Safe-D Pinion Gear is the perfect part to carry in your RC tool box.
Features
Strong and durable steel for long-lasting performance in extreme RC conditions - Precision manufactured wide tooth profile for smooth operation - 'D' shaped hole to match motor shaft profile so drive and brakes are not lost if the set-screw backs out - Suits 5mm motor shaft diameter - Precision manufactured threaded set-screw hole - E-clip supplied for motor shaft pinion retention
Includes
1 x 18T Mod1 Safe-D Pinion Gear
1 x Set Screw - M4 x 4mm
1 x E-Clip - 3.2mm
Brad
July 11, 2025
Needed a little more speed out of my Arrma TLR and this did well without any overheating issues yet. I just recently put a fan on to help it out.
Blucifer302
May 15, 2025
With alittle mod it works on the xmaxx and others.Don't grind your motor shaft. Use a 4mm drill bit to open the d shape to slide onto the motor shaft. It still holds in place this way ,also you can use thus on other cars too if you mod the gear... mine works perfect and doesn't spin off if the grub comes loose
Hear
April 26, 2025
Finally an end to my loose pinion frustrations!Filed down the shaft and took less then 2 minutes with a metal file by hand !
James M.
April 22, 2025
I bought these for my xmaxx because I was sick of the stock gears coming loose. I had to Dremel the flat spot a little further down on the stock motor to make them fit but since I installed the first one I have had zero issue with them loosening up or stripping teeth these are great and I would highly recommend
Dazhim Rightdere
December 17, 2024
I already know what it's gonna do.. and I'm ready.. lolš
Wilson Crenshaw
December 15, 2024
I literally buy arrma gears cause they are actually steel
Timmy Benna
November 9, 2024
Had a problem for months where my pinion gear was constantly falling off from the spur gear on my XMaxx, and I can finally say this is the first thing Iāve found to actually solve the problem. Would highly recommendā¦but beware it may take some modifying to fit on ur motor shaft
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