Pneus Online
All brands at discount prices for 25 years!
Cart
£10 ⁠00 offered with Pneus Online Prime
  • Over 2M customers served since 2001Over 2M customers served since 2001
  • 8 million8 million tyres on sale
  • 11600 partner11600 partner fitting centres in Europe
  • PNEUS ONLINE PRIMEPNEUS ONLINE PRIME: Immediate discounts + free delivery

The MAXXIS MU-521 ATV tires are high-performance tires specifically designed for rugged ATV and UTV environments. They have a tough, durable construction that makes them ideal for handling the most challenging terrains. The MU-521 tires feature an aggressive, directional tread pattern that ensures maximum traction and improved handling in mud, sand, and rocks. Additionally, the tire has wide grooves between the tread blocks that clear mud and dirt, keeping the tire clean and increasing its lifespan. They are made with a special rubber compound that ensures a longer tread life for improved mileage. The MAXXIS MU-521 ATV tires are available in a range of sizes to fit most ATV and UTV models. Overall, these tires are built to withstand even the toughest off-road environments while still providing a smooth and comfortable ride.

Delivery deadlines for: Maxxis MU-521


The tyres can be delivered in several parcels. On delivery, you must therefore indicate the number of tyres received on the signature terminal and/or bill of delivery.
If you choose one of our fitting partners for the delivery of your tyres, we ask you to contact them before placing your order, so that the workshop confirms the service prices for your vehicle, and their availability.

Learn more about the delivery by clicking here .

Any delays in the delivery process cannot justify compensation or opposition on payment.

Transport costs for: Maxxis MU-521

Return for: Maxxis MU-521

Please see detailed return terms of our products in the Terms and Conditions .

Average test mark for the Maxxis MU-521 Quad Bike tyre

5
(1 recommendation)
1 recommendation
Performance on Dry Roads 5.00/5 | Performance on Wet Roads 5.00/5 | Performance on Snow 5.00/5 | Roadholding 5.00/5 | Driving Comfort 5.00/5 | Wear vs. mi 5.00/5 | Noise level 5.00/5 | Quality vs. Price 5.00/5
  • By Bergler Switzerland, 14 Aug 2025
    Would I buy the same tyres: Yes
    Performance on Dry Roads 5.00/5 | Performance on Wet Roads 5.00/5 | Performance on Snow 5.00/5 | Roadholding 5.00/5 | Driving Comfort 5.00/5 | Wear vs. mi 5.00/5 | Noise level 5.00/5 | Quality vs. Price 5.00/5
    Did you find this comment useful?    

Mark the MU-521 Quad Bike Tyre

Performance on Dry Roads
Performance on Wet Roads
Performance on Snow
Roadholding
Driving Comfort
Wear vs. mi
Noise level
Quality vs. Price
If you were to change your tyres, would you buy these again?


The data collected will be processed by Pneus Online in its capacity as data controller to enable you to post a review. You have the right to access, rectify, restrict, erase or object to the processing of your data on legitimate grounds, the right to data portability, the right to give instructions as to how your personal data should be used after your death and where appropriate, the right to withdraw your consent at any time. For more information see our Privacy Policy.
Published reviews are not subject to verification. Reviews are listed in chronological order only.
Pneus Online reserves the right to delete a comment in the following cases:

  • Violent, defamatory, abusive or illegal content;
  • Content that infringes on the rights of another user, third parties or privacy;
  • Content that incites violence or the commission of an offence;

Posts that do not comply with these rules may be deleted without notice.
Users may request explanations concerning moderation using the site contact addresses.