Description

Pair 20×1 3/8 Bicycle Tyres & Inner Tubes – 37-451 Vintage Folding Bike Tyres

This listing contains 2 different purchase options.
Please make sure you select the correct variation before checkout:

• PAIR OF TYRES ONLY – 2 x tyres supplied
• PAIR OF TYRES & INNER TUBES – 2 x tyres + 2 x inner tubes supplied

The images may show tyres and tubes together for illustration purposes, but you will only receive the option selected from the dropdown menu.

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Vintage 20×1 3/8 Tyres – Perfect for Traditional Folding Bikes

Upgrade your classic folding bike with these high-quality  20×1 3/8 (37-451) tyres. Designed specifically for traditional folding bikes and vintage bicycles, these tyres provide the correct fitment, classic appearance, and dependable performance that older bikes require.

Ideal for many older folding and shopper bikes using the 451 wheel size.

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⚠️ Important Compatibility Information⚠️

 Correct Size:   20 x 1 3/8 (37-451)

❌ NOT Compatible With:

• 20 x 1.75, 20 x 1.95, 20 x 2.10 etc
• 406 wheel size tyres
• Most modern BMX or MTB style 20″ wheels
• Although the above are  called “20 inch”, the sizing is completely different.
• 500a (37-440)  – also a vintage size very similar.

If you are unsure what size you need, please contact us before ordering and we will gladly help.

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Tyre Specifications

• Size: 20 x 1 3/8 (37-451)
• Pattern: town and city
• Colour: Black
• Construction: Nylon Compound
• Bead Type: Wire Bead
• Maximum Inflation: 43 PSI
• Load Rating: 50kg per tyre
• Weight: Approx. 450g Each
• Puncture Protection: No
• Tube Type: Inner Tube Required
• E-Bike Rated: No

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Inner Tube Information (Where Selected)

The optional inner tubes supplied are compatible with 20×1 3/8 (37-451) tyres and feature:

• Schrader / Car Type Valves
• Reliable butyl rubber construction
• Easy inflation and maintenance

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Features & Benefits

✔ Designed specifically for vintage and traditional folding bikes
✔ Classic all-black appearance
✔ Durable nylon construction for long service life
✔ Smooth rolling tread pattern
✔ Ideal replacement for worn or cracked original tyres
✔ Popular hard-to-find size
✔ Great value bundle options available

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Why Choose Hopkinson Cycles?

✔ Family-run UK bike shop with real cycling knowledge
✔ Fast dispatch and free UK delivery available
✔ Friendly customer service from genuine bike specialists
✔ Thousands of happy customers online
✔ Massive range of hard-to-find cycle parts and accessories

📞 01924 274209
📧 info@hopkinsoncycles.com