Best in 7 days
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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
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Description
Traxxas 3951X - Gear 21-T pinion (32-p) heavy duty (machined hardened steel) (fits 3mm shaft)/ set screwTraxxas 3951X Gear, 21 T pinion (32 p), heavy duty (machined, hardened steel) (fits 3mm shaft) set screw Brand: Traxxas Part Number: 3951X The heavy duty 21 tooth (32 pitch) pinion gear is machined from hardened steel for extra long life. The gear fits 3 mm motor shafts and includes set screw. Traxxas pinion gears let you fine tune the performance of your Traxxas model. Changing gear ratios can help balance acceleration and top speed for different
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- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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- We offer a 30-day return/exchange service after receiving.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.0 ★★★★★
Based on 1034 reviews
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Product Reviews
★★★★★ 5
It looks like a Totoro
Color: Hare - Large
Great toy ! Pibble loves it! an it looks just like a Totoro which is huge plus at our house. These are very durable and once de gloved the body will last a very long time if your dog isn’t a big chewer.
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Reviewed in the United States on December 29, 2025
★★★★★ 5
Very fun toy at a great price
Color: Monsieur Acorn - Large
My dog (an American Staffordshire Terrier) lovessss to chew and destroy things! We have literally gotten three of these because she loves them so much, and they last, too!! You get the first toy, which my dog rips open. I’m not sure exactly how long it takes for her to destroy it, maybe a few days to a week. Then another little toy (with a sad face lol) is revealed. She highly enjoys this one, as well! Finally, she rips the fabric off that and then a blue, spiky ball is revealed. She lovesss to chew on it and I think the bumps are a nice texture for her mouth. She is quite a strong chewer and the ball lasts a long time!! No toy lasts forever and I have found under dog toys are quite expensive and that’s no guarantee of how long it will actually last. But I am perfectly fine with spending ~$11 every once in a while for these toys because I know she loves them, and they are not immediately destroyed.
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Reviewed in the United States on July 25, 2020
★★★★★ 5
Would happily purchase again.
Color: Hedgehog
My powerchewer of a dog destroys plushies in 10 minutes and most other 'tough chew' toys don't last more than a day or two - at most. But he loves his hedgehog and hasn't managed to destroy it! Sure, it has a plethora of teeth marks, but it's in one piece and he hasn't managed to bite off any chunks (I was worried about the hedgies nose 😂). It stands up to his teeth and allows him to satisfy his need to gnaw & chew, safely.
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Reviewed in the United States on March 23, 2026
★★★★★ 5
Best toy around
Color: Hare - Large
If you have the type of dog that can chew anything up but a bowling ball this is the toy for you my dog has been chewing on it and can't even tear it she loves it she won't let go of it and we're working on 45 minutes this toy is great and I'm going to buy other ones thank you
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Reviewed in the United States on June 12, 2026
★★★★★ 5
Best toys!
Color: Monsieur Acorn - Large
BEST TOYS!!! My dogs LOVE THESE!!! The bonus toy inside is SOOO FUN!!
Last ms them a long time.
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Reviewed in the United States on April 25, 2026
