Tusk Severe Duty 3mm inner tube with reinforced wall for rugged off-road riding.
Tusk Severe Duty 3mm inner tube with reinforced wall for rugged off-road riding.

Tusk Severe Duty 3mm Inner Tube 80/100x21 – Reinforced Butyl, TR-4 Valve, Tough Trail Replacement

Overview When you need reliability on challenging terrain, the Tusk Severe Duty 3mm inner tube stands up...
Vendor: TUSK
Availability: In stock
£52.67
£52.67
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Tusk Severe Duty 3mm inner tube with reinforced wall for rugged off-road riding.

Tusk Severe Duty 3mm Inner Tube 80/100x21 – Reinforced Butyl, TR-4 Valve, Tough Trail Replacement

£52.67
Tusk Severe Duty 3mm inner tube with reinforced wall for rugged off-road riding.

Tusk Severe Duty 3mm Inner Tube 80/100x21 – Reinforced Butyl, TR-4 Valve, Tough Trail Replacement

£52.67
Description
Description
x

Overview

When you need reliability on challenging terrain, the Tusk Severe Duty 3mm inner tube stands up to the task. Built for front tires sized 80/100x21, it combines a thick, reinforced wall with durable butyl rubber to deliver steady air retention and confident performance as you push through rocky trails and dusty gravel lanes. The centered TR-4 valve stem simplifies inflation and pressure checks, so you can ride with fewer interruptions. Use it as a sturdy spare or a trusted replacement for rough-terrain rides where reliability matters.

Why it stands out

  • 3 mm reinforced wall adds puncture and impact resistance for rugged riding conditions
  • High-quality butyl construction delivers stable air retention and long-term durability
  • Centered TR-4 valve stem ensures a consistent fit on most rims and straightforward inflation
  • Precise 80/100x21 sizing tailored for front tires on many dual-sport and trail bikes
  • Rugged spare or replacement designed to be ready when off-road conditions get tough

Real-world use and practical tips

On the trail, you’ll notice the tube’s balance between pliability and protection. The thicker wall resists pinch flats when you roll over sharp edges, while the butyl compound maintains air pressure across long stretches between top-ups. The 80/100x21 sizing helps ensure a snug fit with compatible rims, supporting predictable handling and quick tire maintenance mid-ride.

Consider these practical scenarios:

  • Plentiful backcountry rides where puncture resistance helps reduce downtime
  • Rides across rocky singletrack and rough gravel where a dependable spare is welcome
  • Front-wheel replacements during a multi-day off-road trip for peace of mind

Mounting and care reminders

  • Inspect rim edges for sharp burrs or damage before mounting to protect the tube
  • Verify tire and rim compatibility and ensure proper bead seating
  • Inflate to the recommended pressure and check the valve seating regularly
  • Keep this tube as a ready spare for long off-road days or weekend trips

At a glance

  • 3 mm Reinforced Wall
  • Butyl rubber construction
  • Centered TR-4 valve stem
  • 80/100x21 exact sizing
  • Rugged spare or replacement

FAQ

Q: What tire size and rim does the Tusk 3mm inner tube fit?

A: Fits 80/100x21 front tires; verify rim compatibility before mounting.

Q: Is this tube suitable for rugged off-road use?

A: Yes, its 3mm reinforced wall and durable butyl support reliability on tough trails; ideal as a spare.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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