SKU: 70366772104

Crust Geared Wombat

Sale price$711.00 Regular price$790.00
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Ships within 48 hours · Estimated delivery Oct 3 - Oct 8

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Description

Crust Geared WombatIf this bike did poops, they'd be square. The Wombat, though, is anything but. Huge tyres, fully rigid, a big front traingle and rim brakes. Party on. The original Wombat was single speed specific, but this one has a derailleur hanger! It's the same geo, same tubing, same everything, but with a couple extra cable guides, vertical rear dropouts, and a replaceable derailleur hanger. Here is what Garett from Crust had to say about the OG Single Speed

If this bike did poops, they'd be square. The Wombat, though, is anything but. Huge tyres, fully rigid, a big front traingle and rim brakes. Party on.

The original Wombat was single speed specific, but this one has a derailleur hanger! It's the same geo, same tubing, same everything, but with a couple extra cable guides, vertical rear dropouts, and a replaceable derailleur hanger. Here is what Garett from Crust had to say about the OG Single Speed Wombat:

"The Wombat is my brain child. I was going to do this description in third person, but that's weird, so here we go:

The Wombat is a single speed mountain bike amongst the second coming of the "Klunker". Don't get me wrong, Klunkers are cool. I can think of some people out there doing that term justice, but at the same time I see that word becoming synonymous with novelty. The 'Bat is certainly not a novelty, it's a bike designed with purpose, and that purpose isn't to be a damn "Bar Bike". The Wombat is my idea of a bike that you can ride 60 miles to some single track, a set of jumps, a skatepark, or a street spot and ride it when you get there. It's got a high bottom bracket and relatively short back end to keep it nimble and easy to get off the ground. It's slacked out enough to be stable on long chunky cliffside single track, but not so much that it's lazy and can't make it around the hairpin at the end of the straight."

Build Notes:

Designed around a 27.5x2.6" tyre. You may be able to cram a 2.8" in there but it will be a bit tight in the rear triangle. If you want to run some fenders you could probably fit something like a 2.2-2.4".

The Wombat is designed with V-Brakes in mind. You can use Canti brakes if you'd like, but the V's stop better which you will want if you're riding this thing down the side of a mountain as intended. The V's stop just as well as a disc brake right up until you get into some icey snowy conditions and your rims get cold and freeze over a bit, but even then they work fine.

It has a 73mm BB shell, so it takes a mountain crank.

The 'Bat has internal dropper routing with the intention of being fit with something around a 100mm dropper post or less.

It also has internal dynamo routing. Ride it at night.

It's got three pack mounts on the side of the fork to throw a Cargo Mount or Many Thing Cage on and strap some stuff to. You can also chuck a little bag support on using the hole in the fork crown and the brake posts. All of that together with a frame or saddle bag and this thing's ready to tour.

Max Chainring Size is 36t. You may be able to get a 38t on there, if you're running a square taper crank.

Seatpost clamp included.

Would pair nicely with a riser bar. Check out our offerings here.

ED Coated to help protect it from the elements and inhibit internal corrosion. This doesn't mean you're free to ride it into the ocean though.

HEADSET NOT INCLUDED

Details:

Handmade in Taiwan using Heat Treated Chromoly

Tig Welded

Color - Teal & Green Speckle or Metallic Tangerine

Sizes - Small 17" | Medium 19" | Large 21" | Extra Large 23"

Head Tube Diameter - 1 1/8" (Threadless Steerer)

Bottom Bracket - 73mm English (BSA) Threaded

Steerer Tube Length - 400mm

Fork Spacing - 9x100mm w/ QR/ Bolt On Dropouts

Rear End Spacing - 135mm w/ Vertical Dropouts with a Replaceable Derailleur Hanger

Seat Post Diameter - 27.2mm w/ Internal Dropper Routing

Seat Post Clamp Diameter - 29.8mm

Weight (Large 21") - Frame: 4lbs 15oz | Fork (Uncut Steerer): 3lbs

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 70366772104

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4.8 ★★★★★
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Product Reviews
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Verified Purchase
Jessica Williams
San Leandro, US
★★★★★ 5
Boredom Buster
Color: Green
This ball has been a boredom buster lifesaver. On the first day my 15 week golden retriever puppy played with it for a good 2 hours straight. I was nervous he would immediately get bored with it but nope, he searches for it every day. It has helped with his puppy teething, he's more likely to play with this ball than come up and use my hand/arm/clothes to teethe on. The battery lasts a good amount of time and is quick to charge but I did wish it lasted a bit longer. Overall I'm very happy. We live in a top floor apartment but the noise doesn't seem to be too bad for the neighbors. It's good quality and seems durable. Edit: The velcro for the sleeve wears out within a couple uses. It keeps falling off. It was my puppies FAV thing about the toy because of the pull tag thing. So now it's ineffective for him. Not sure if there's a way to get a new sleeve or not.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2025
J
Verified Purchase
Jill
Omaha, US
★★★★★ 5
One of the best dog toys I’ve bought off Amazon in a long time
Color: Green
My dog Rosie is a heavy tower so it is difficult to find balls she doesn’t destroy quickly. I came across this item on Amazon and it is honestly one of the best pet toys I’ve ever bought on Amazon. After a long day of work sometimes I come home and Rosie has a lot of energy. I turn this ball on fast mode and she has so much fun. I do worry about how much shaking in her mouth. I don’t wanna give her a headache, lol but there’s also a slow mode that you can press for the ball to slowly move around, but it’s a really good toy and I’m happy. I purchased it if you have a heavy tower, I wouldn’t worry about them breaking it because we’ve had it for a couple weeks now and she’s doing great.
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Reviewed in the United States on March 15, 2026
J
Verified Purchase
Jason S.
Lake Worth, US
★★★★★ 4
Not indestructible, but dogs love it
Color: Green
My dog LOVES this toy. Unfortunately, she loves it so much she destroys it. I have now purchased FOUR of these, but if left unattended for 5 minutes, my American terrier breaks this apart. She loves it so much though, I keep buying replacements. This is a wonderful enrichment toy, but you must keep an eye on your toothy friend.
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Reviewed in the United States on December 29, 2025
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Verified Purchase
Simm in Seattle
New York, US
★★★★★ 3
Engaging and Fun, But Lacks Durability for Strong-Gripped Dogs
Color: Green
The internal mechanism of this toy works very well, and the ball’s movement immediately caught the attention of my Boxer pup. He was absolutely fascinated and spent hours each day playing with it. However, while the toy’s design is engaging, the durability of the exterior leaves much to be desired—especially for dogs who tend to pick things up with a firm grip. We didn’t know what to expect since our pup hadn’t previously played with an interactive ball, so we supervised playtime and made sure to store the ball in a safe spot when we couldn’t keep an eye on him. Despite this, the ball didn’t hold up. Our pup wasn’t intentionally chewing it. He simply carried the ball in his mouth when we moved downstairs or to another room, yet the grip while he carried the ball caused significant damage to the exterior. Within about a week of regular use (approximately 40 hours in total), the ball’s outer layer became deeply gouged by his teeth. To clarify, my pup wasn’t biting down hard or trying to destroy it, but his natural grip while carrying the ball left deep grooves in the surface. In just days, these gouges made the exterior sharp to the touch and compromised the structure. By the end of the week, we couldn’t screw the cover back together after removing it to recharge the ball, which made it unusable. And I was dismayed that there aren’t replacements readily available. Overall, my pup absolutely loved this toy — it was engaging and kept him entertained for hours. However, if your dog has a strong grip or frequently carries toys in their mouth, this may not hold up as well as expected. It’s a great concept but needs a more durable outer layer and replacement hard covers to make it a long-term investment.
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Reviewed in the United States on January 3, 2025
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Verified Purchase
Larry Z.
Louisville, US
★★★★★ 5
My dog loves this ball
Color: Green
The battery on this lasts forever. The random on/off motion and when it gets touched inducing motion just keeps my dog guessing and occupied for a long time. My dog's tail is wagging the whole time.
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Reviewed in the United States on May 5, 2026

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