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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21
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Description
RFX Pro Spoorverbreders - AchterRFX Pro Series wheel spacers are lighter and more durable than OEM. Constructed from 7075 T6 aluminium and colour anodised to increase durability. This helps to reduce surface wear and lessens the amount of dirt entering the hub which in turn extends the life of the bearing. Designed with a rear lip to help keep them hooked into the seals, this reduces the chance of falling out during maintenance, speeding up wheel changes. RFX products are tested and
RFX Pro Series wheel spacers are lighter and more durable than OEM.
Constructed from 7075-T6 aluminium and colour anodised to increase durability. This helps to reduce surface wear and lessens the amount of dirt entering the hub which in turn extends the life of the bearing.
Designed with a rear lip to help keep them hooked into the seals, this reduces the chance of falling out during maintenance, speeding up wheel changes.
RFX products are tested and used by many top Grand Prix and British Motocross teams.
- 7075-T6 Aluminium Construction.
- Colour anodised for durability.
- Machined rear location lip.
CNC Machined:
For a tighter tolerance
Fitting Instructions:
- Start with the motorcycle on a box stand with the wheels raised from the ground.
- Remove the large spindle nut and loosen any pinch bolts on the lower fork leg.
- Remove the spindle from the wheel this may require the use of a brass punch and hammer if tight.
- Front wheel will now remove.
- The rear wheel should now be loose enough to push forward and lift the chain from the rear sprocket.
- Rear wheel will now remove.
- Remove the wheel spacers from the wheels.
- Clean in and around the seals with contact cleaner such as Maxima Electrical Contact and re-grease under the seal.
- Fit the new wheel spacers.
- Make sure to open the brake pads apart inside the brake calipers to give you extra room when re-fitting the wheel.
- Re-fit the wheels and push the spindles through.
- Re-fit the chain and set the proper chain tension by adjusting the axle blocks.
- Tighten the large spindle nuts to the correct torque setting.
- With the bike of the stand pump the front forks up and down to align the front forks then tighten the pinch bolts.
- Finally pump the brakes to re-align the calipers.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Almost indestructible would recommend
I have owned the Monster K9 Indestructible Ball for one and a half years, and it has proven to be the most durable ball I have used for my German Shepherd. Out of all the balls we have tried, this one has lasted the longest under frequent, heavy chewing. Although my dog has finally managed to chew through it, I remain very satisfied with the product’s overall longevity and performance.
I would definitely recommend purchasing this ball to other dog owners, especially those with strong chewers. It has provided exceptional play value over an extended period of time.
One area for improvement is the warranty process. While the product advertising mentions a free replacement, there is no clear guidance on how to submit a claim, and I found it difficult to locate that information. Providing straightforward instructions for warranty claims would enhance the overall customer experience.
Overall, this is a high-quality, long-lasting ball that I would recommend, particularly for large or powerful dogs.
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Reviewed in the United States on February 3, 2026
★★★★★ 5
So far, so good!
Finally! A toy my 55 pound, 18 month old puppy hasn’t destroyed in minutes, and one she actually LOVES playing with. It has a really cool bounce and she loves chasing it and it’s easy for her to grab and run back to me with.
So glad it wasn’t another waste of money. My only suggestions are to make this in a fun color other than black, and to make other just as strong toys besides a donut (she already has 2 other donuts from different companies which surprisingly have weathered her jaws) and add a squeaker to one of these ultra strong toys. More than chasing the ball, she loves squeaking!
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Reviewed in the United States on May 8, 2026
★★★★★ 5
10/10 Great game changer for aggressive chewers
After a scary experience where our Doberman ingested part of a toy and needed emergency surgery, we had to get rid of all plush toys and small balls in our house. Replacing everything felt overwhelming.
This ball has been fantastic. It’s truly built for aggressive chewers and holds up incredibly well. It’s perfect for fetch, strong enough for tug-of-war, and the bounce is excellent, which keeps our dog fully engaged during self-play when he’s entertaining himself. That unpredictable bounce makes it exciting without being unsafe.
Most importantly, it gives us peace of mind. No shredding, no chunks coming off, no felt cover and constant worry about ingestion. Since having to replace all of his previous toys and balls, this one has stood out as the best by far.
If you have a large, powerful dog—especially a Doberman—or a dog who destroys toys quickly, this is a must-have. Durable, safe, and genuinely fun. 10/10, highly recommend.
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Reviewed in the United States on January 21, 2026
★★★★★ 5
Finally, a sturdy oversized ball my boy can't destroy! And can pick up easily
This is just wonderful! My dog has destroyed all other balls! I think this is finally one he cannot destroy. And I love the holes so he can pick it up and throw it himself. LOL. And it BOUNCES, bringing him endless joy and skill in catching it. Cause you don't know which way it will bounce off the ground. Oversize was just right for him. Glad to have found this great sturdy ball.
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Reviewed in the United States on April 29, 2026
★★★★★ 4
Almost perfect...upraised logo should be left off
This toy is great for relentless chewers with strong jaws! It would be almost perfect if it didn't have a "K9" logo in raised rubber on it. That is the place that my aggressive chewer shepherd/bulldog mix focuses on and is able to get small chunks off. Without that logo, he would chew the ball more evenly, instead of fixating on that one spot. He loves this ball and has chewed on it for about an hour off & on each of the 11 days he has had it. Although it is very durable so far, the flaw is the upraised logo.
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Reviewed in the United States on January 22, 2026