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Reviewed in the United States on May 24, 2025
The gears were super easy to install and made if good materials. The stock gears were slipping, so I replaced them with this set, and now it is solid as a rock. They dropped right into stock axles with no problem at all!
brayden t.
Reviewed in the United States on May 10, 2025
Very nice at first but after a while of using the crawler the gears catch and slip, maybe not the best, will return to straight gearing
Benjamin B.
Reviewed in the United States on March 31, 2025
Good quality! I have used these on a couple of TRX4M builds and they are much much better than the stock diff gears. These also come with bearings which is always a plus! They do make more noise than the stock gears but that’s what you get with helical gears.
Sully
Reviewed in the United States on September 26, 2024
These took a lot of fiddling with to make them fit. I had to file the flats on the pinion gears to make them fit my metal drive shafts. The hole in the pinion didn’t line up with my drive shafts either. Once I got them fitted they worked fine
Harmeet Singh
Reviewed in Canada on August 6, 2024
One set of diff gear and pinion gear was perfect, the other set was machined ever so slightly out of spec that it would just lock up.
William Hanley
Reviewed in the United States on July 12, 2024
These felt great in the hand. The steel seems high quality and well forged. The included bearings were a perfect fit to replace the old brass bushings and provide a noticeable difference. The 2 flat locking faces seem great and way better than stock traxxas gears. These were easy to install after a few screws. They add so much torque to the crawler. Only gripe is that they are loud, but worth the tradeoff for the performance upgrade. Certainly a necessary mod to do after crawler gears.
Eduardo Garza
Reviewed in the United States on November 7, 2024
I loved these, I like that they not only were very well made and no metal spurs were left on them but they also came with bearing rather than expecting to use old hardware as far as on these gear! definitely will purchase for my other rigs!!
Burke Linden
Reviewed in the United States on October 27, 2024
Great quality, easy fit into a set of aftermarket axles. Cleaned up a lot of slop in straight cut gears.
Vicious cycles
Reviewed in the United States on October 22, 2024
If you're just getting into crawling, these are not a bad option for an upgradeYou upgrade the stock axles from plastic gears AND Bushings to metal and bearings.These are a great upgrade especially if your adding bigger tires and or more power!
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