BlackCat 20x4 Fat Bike Tyre – 20 Inch E-Bike Replacement UK
BlackCat 20x4.0 20 Inch Fat Bike Tyre for E-Bikes
The BlackCat 20x4.0 fat bike tyre is a 20 inch replacement tyre designed for fat bikes and electric bikes in the UK. If your current tyre sidewall reads 20x4.0, this tyre is suitable for compatible 20-inch fat bike wheels.
Built for everyday riding, this 20x4.0 tyre provides stability and traction across road and mixed terrain conditions including gravel, sand, and uneven surfaces.
Designed for Grip, Stability & Control
Featuring an aggressive tread pattern and anti-slip rubber compound, the BlackCat 20x4.0 tyre is engineered to provide consistent traction on a variety of surfaces.
The wide 4.0 inch profile improves balance and surface contact, making it suitable for riders who need dependable performance from their 20 inch fat bike.
Key Features
20x4.0 Fat Bike Size
Designed for 20 inch fat bike wheels requiring 4.0 inch wide tyres.
Compatible with Electric & Standard Fat Bikes
Suitable for e-bikes and traditional fat bikes using 20x4.0 sizing.
All-Terrain Tread Pattern
Designed for use on paved roads, gravel paths, dirt tracks, sand and mixed surfaces.
Durable Rubber Construction
Strong sidewalls and wear-resistant rubber compound for regular riding.
Wide 4.0 Inch Profile
Provides improved grip and surface stability compared to narrower tyres.
What Does 20x4.0 Mean?
The number 20 refers to the wheel diameter in inches.
The number 4.0 refers to the tyre width.
A 20x4.0 tyre is commonly used on fat bikes and electric fat bikes for increased traction and stability.
Always check the tyre size printed on your existing sidewall before ordering.
Browse our full range of Fat Bike Tyres here.
Ideal For
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20 inch electric fat bikes
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Standard 20 inch fat bikes
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Urban commuting
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Trail riding
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Mixed terrain use
Technical Specifications
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Brand: BlackCat
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Tyre Size: 20 x 4.0
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Wheel Diameter: 20 Inch
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Tyre Width: 4.0 Inch
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Type: Fat Bike / E-Bike Tyre
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Terrain: Mixed Terrain
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Condition: New
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Package Includes: 1 Tyre
Note: Wheel or rim is not included.
Frequently Asked Questions
Is this tyre suitable for electric bikes?
Yes. The BlackCat 20x4.0 tyre is suitable for electric fat bikes that use 20x4.0 sizing.
Can I use this on a standard fat bike?
Yes, as long as your bike requires a 20x4.0 tyre.
Is it suitable for wet conditions?
The tread pattern is designed to provide traction across wet and mixed surfaces when used correctly.
Does this include the wheel?
No. This listing includes the tyre only.
How do I confirm compatibility?
Check the tyre size printed on your current sidewall. It must read 20x4.0.