PREMA PRE-PB-3 Bias Ply Tire Repair Unit, 3-3/4", 2-Ply (Box of 10)

Q: Can these patches be used on radial tires as well as bias-ply tires? A: No, PB-3 patches are specifically engineered for bias-ply tires only. The diagonal cord orientation matches bias tire construction. For radial tires, you need radial-specific patches with perpendicular cord alignment to match radial tire flex patterns.

Q: Can these patches be used on radial tires as well as bias-ply tires? No, PB-3 patches are specifically engineered for bias-ply tires only. The diagonal cord orientation matches bias tire construction. For radial tires, you need radial-specific patches with perpendicular cord alignment to match radial tire flex patterns.

Q: What size puncture can the 3-3/4 inch patch effectively repair? A: The PB-3 patch repairs injuries up to 1/2 inch in diameter when properly installed. The 3-3/4 inch square size provides at least 1.5 inches of overlap on all sides for secure adhesion across crown, shoulder, and sidewall repairs.

Q: What size puncture can the 3-3/4 inch patch effectively repair? The PB-3 patch repairs injuries up to 1/2 inch in diameter when properly installed. The 3-3/4 inch square size provides at least 1.5 inches of overlap on all sides for secure adhesion across crown, shoulder, and sidewall repairs.

Q: Do I need special cement or will regular tire cement work? A: PREMA recommends their Ultra Fast Dry Vulcanizing Cement for optimal results. While other cold vulcanizing cements may work, using the manufacturer's specified cement ensures proper cure time, chemical compatibility, and maximum adhesion strength for permanent repairs.

Q: Do I need special cement or will regular tire cement work? PREMA recommends their Ultra Fast Dry Vulcanizing Cement for optimal results. While other cold vulcanizing cements may work, using the manufacturer's specified cement ensures proper cure time, chemical compatibility, and maximum adhesion strength for permanent repairs.

Q: How do bias-ply patches differ from regular tire patches? A: Bias-ply patches have cord plies running diagonally at 30-45 degree angles to match bias tire construction specifically. This diagonal orientation allows the patch to flex properly with the tire's natural movement patterns, preventing separation during use compared to radial patches with perpendicular cord alignment.

Q: How do bias-ply patches differ from regular tire patches? Bias-ply patches have cord plies running diagonally at 30-45 degree angles to match bias tire construction specifically. This diagonal orientation allows the patch to flex properly with the tire's natural movement patterns, preventing separation during use compared to radial patches with perpendicular cord alignment.

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Square black bias ply tire repair patches showing 2-ply construction in box of 10

Professional Bias Ply Tire Repair - PREMA PB-3 Patches (PRE-PB-3, Box of 10)

Heavy-Duty 2-Ply Construction for Permanent Repairs

PREMA PB-3 bias ply tire repair patches deliver permanent fixes for bias tires with 3-3/4 inch square coverage and robust 2-ply construction. These professional patches handle crown, shoulder, and sidewall injuries on both tube-type and tubeless bias-ply tires.

Key Benefits

Large Coverage Area - The 3-3/4 inch square patch covers punctures up to 1/2 inch diameter with ample overlap for secure bonding.

Professional 2-Ply Design - Diagonal cord alignment matches bias tire construction for proper flex and lasting repairs.

Multi-Location Repairs - Works on crown, shoulder, and sidewall injuries without needing different patch types.

Applications

Vintage vehicle bias-ply tire service.
Agricultural equipment tire repairs.
Classic motorcycle bias tire maintenance.
Trailer tire puncture repairs.

Specifications

Product Details
Specification	Details
Brand	PREMA
Model	PB-3 (PRE-PB-3)
Dimensions	3-3/4" x 3-3/4" (96mm x 96mm)
Construction	2-Ply Bias
Quantity	10 patches per box
Compatibility	Bias-ply tube-type and tubeless tires
Cement Required	PREMA Ultra Fast Dry Vulcanizing Cement

Stock Professional Bias Ply Repair Patches

Keep PREMA PB-3 patches ready for reliable bias tire repairs.

Order your 10-pack today.

Frequently Asked Questions

Can these patches be used on radial tires as well as bias-ply tires?

No, PB-3 patches are specifically engineered for bias-ply tires only. The diagonal cord orientation matches bias tire construction. For radial tires, you need radial-specific patches with perpendicular cord alignment to match radial tire flex patterns.

What size puncture can the 3-3/4 inch patch effectively repair?

The PB-3 patch repairs injuries up to 1/2 inch in diameter when properly installed. The 3-3/4 inch square size provides at least 1.5 inches of overlap on all sides for secure adhesion across crown, shoulder, and sidewall repairs.

Do I need special cement or will regular tire cement work?

PREMA recommends their Ultra Fast Dry Vulcanizing Cement for optimal results. While other cold vulcanizing cements may work, using the manufacturer's specified cement ensures proper cure time, chemical compatibility, and maximum adhesion strength for permanent repairs.

How do bias-ply patches differ from regular tire patches?

Bias-ply patches have cord plies running diagonally at 30-45 degree angles to match bias tire construction specifically. This diagonal orientation allows the patch to flex properly with the tire's natural movement patterns, preventing separation during use compared to radial patches with perpendicular cord alignment.

About the Brand

Prema

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