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Parnells 18x9.50-8 Knobby Tyres on 4 Stud 4 Inch PCD Rim (Set of 2)

Parnells 18x9.50-8 Knobby Tyres on 4 Stud 4 Inch PCD Rim (Set of 2)

For sale are 2 new 18x9.50-8 Knobby Wheels. Tyres fitted to heavy duty 4 stud 4 Inch PCD steel rim...

Best current price£179.61from eBay

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18x9.50-8 ATV Knobby Tyres Fitted on 4 Stud 4 Inch PCD Rim Wanda P322 (Set of 2)

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eBay18x9.50-8 ATV Knobby Tyres Fitted on 4 Stud 4 Inch PCD Rim Wanda P322 (Set of 2)
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£179.61
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OnBuy.comParnells 18X9.50-8 Atv Knobby Tyres Fitted On 4 Stud 4 Inch Pcd Rim Wanda P322 (Set Of 2)
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£179.61
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B&QB&Q - 18X9.50-8 Atv Knobby Tyres Fitted On 4 Stud 4 Inch Pcd Rim Wanda P322 (Set Of 2)
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£180.47
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Product Information

Full details

This guide is for users needing durable, versatile wheels for off-road equipment like ride-on mowers, garden trailers, ATVs, karts, and small agricultural machinery. The key benefit is their knobby tread design offering excellent traction and a smooth ride on uneven terrain with minimal ground disturbance. A caveat is that these wheels are strictly for off-road use and not suitable for highway applications. The product includes two 18x9.50-8 knobby tyres with 4-ply Wanda P322 rating, fitted to heavy-duty steel rims with a 4-stud, 4-inch PCD mounting pattern.

All features

Model Part NumberEC7297
BrandParnells

Extended Product Information

FAQs

What is the maximum load capacity per wheel?

Each wheel has a maximum load capacity of 102kg (225 lbs).

Can these wheels be used on public roads?

No, these wheels are strictly for off-road applications and are not designed or rated for highway service.

What is the correct tyre pressure?

The recommended inflation pressure for these tyres is 5psi.

What does '4 Stud 4 Inch PCD' mean?

It refers to the wheel's bolt pattern: there are 4 studs (bolt holes) arranged in a circle with a diameter of 4 inches (101.6mm). This is the measurement across opposite studs through the center of the wheel.

How should I clean the rims?

Clean the rims with a damp cloth and mild soap if necessary. Avoid abrasive cleaners that could damage the powder coat and E-coating.

What is the overall diameter of the wheel?

The overall diameter of the wheel, including the tyre, is approximately 460mm.

What is the width of the tyre?

The maximum width of the tyre is approximately 212mm.

Troubleshooting

Wheel wobbles during operation

Check that the wheel is securely fastened to the hub with properly tightened lug nuts. Ensure the hub itself is not damaged or warped.

Tyre pressure is difficult to maintain

Inspect the tyre and rim for leaks. Check the valve stem for damage or proper seating. Look for any punctures in the tyre tread.

Poor traction on slick surfaces

Ensure tyres are inflated to the correct 5psi. Clean mud or debris from the tread pattern. For significantly slick conditions, consider ground conditions and the limitations of any tyre tread.

Excessive vibration

Verify the wheel is balanced. While these wheels are not dynamically balanced from the factory, significant imbalance could indicate a bent rim or uneven tyre wear. Check for damage to the rim.

Pros and Cons

Pros

  • Excellent traction on various off-road surfaces due to knobby tread.
  • Provides a smoother ride by absorbing terrain imperfections.
  • Heavy-duty construction ensures durability for demanding tasks.
  • Corrosion-resistant coating extends the life of the rims.
  • Designed to minimize ground disturbance and track marking.

Cons

  • Not suitable for highway or on-road use.
  • Requires manual inflation to the specified 5psi.
  • Limited to off-road applications only.
  • Specific stud size requirement (M10 or 3/8") for mounting.

Setup, Compatibility & Care Instructions

Setup:

  1. Ensure the wheel hub on your equipment is compatible with the 4-stud, 4-inch PCD (Pitch Circle Diameter) mounting pattern. The center bore is 67mm, and the stud holes accommodate M10 or 3/8" studs.
  2. Mount the wheel onto the hub, aligning the stud holes. Secure with appropriate lug nuts (not included).
  3. Inflate the tyres to the recommended pressure of 5psi. Note: Do not exceed this pressure.

Compatibility:

  • Bolt Pattern: 4 studs x 4 inch (101.6mm) PCD.
  • Center Bore: 67mm.
  • Stud Size: Suitable for M10 or 3/8" studs.
  • Intended Use: Off-road applications only. Not for highway service.

Care:

  • Regularly check tyre pressure and maintain it at 5psi.
  • Inspect tyres for any signs of wear, damage, or embedded objects.
  • Clean the rims periodically with a damp cloth to remove dirt and debris, preserving the powder coat finish.
  • Store equipment with wheels in a cool, dry place away from direct sunlight when not in use.

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