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Electric Bikes and Accessories

CST Big Boat CTC-06 Fat Tire – 20x4.0 26x4.0 Electric Bicycle Tire

CST Big Boat CTC-06 Fat Tire – 20x4.0 26x4.0 Electric Bicycle Tire

Regular price $25.64 USD
Regular price $10.64 USD Sale price $25.64 USD
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CST Big Boat CTC-06 Fat Tire – 20x4.0 / 26x4.0 E-Bike & Cruiser Performance

The CST Big Boat 20x4.0 and 26x4.0 fat tires from the New Brown Family Top Dark Skin Collection are built for riders who demand bold looks and rugged performance. Whether you're riding an electric cruiser, mountain bike, or urban e-bike, these CST tires deliver comfort, control, and a head-turning brown sidewall design.

Shop now at Electric Bikes & Accessories and get free shipping. Want to see style in action? Visit us on Pinterest.


Why Choose CST Big Boat Fat Tires?

The CST Big Boat CTC-06 is a premium fat tire designed for smooth, stable riding across streets, trails, and beach boardwalks. The large-volume casing, ultra-wide tread, and distinctive brown color give your e-bike a custom look—without sacrificing performance.


Key Features of the CST Big Boat 20x4.0 / 26x4.0 Tires

  • ✅ Available in 20x4.0 and 26x4.0 fat tire sizes

  • Brown skin sidewall from the Dark Skin Collection

  • ✅ Compatible with electric bikes, cruisers, and mountain bikes

  • ✅ Large-volume tread for better float and grip

  • ✅ Ideal for street, snow, or sandy terrain

  • ✅ Stable performance at low and high PSI


Product Specifications

Feature Details
Brand CST (MAXXIS family)
Model Big Boat CTC-06
Type Fat tire (tubed or tubeless-ready)
Sizes 20x4.0, 26x4.0
Weight 26x4.0: approx. 1300g
Use Cruisers, mountain bikes, road e-bikes
Color Brown sidewall ("Top Dark Skin")
Origin Mainland China

All-Terrain Confidence with CST Fat Tires

These fat bike tires provide confident handling on a variety of terrains:

  • 🏙️ Urban roads

  • 🏖️ Beaches and sand trails

  • ❄️ Snowy surfaces

  • 🚵 Off-road gravel and dirt paths

Their volume and tread design provide excellent traction while soaking up bumps and vibrations.


Which Size Is Right for You?

  • 20x4.0 – Ideal for compact e-bikes, folding fat bikes, and smaller cruisers

  • 26x4.0 – Best for full-size fat tire e-bikes, mountain bikes, and large frame cruisers

Both sizes feature the same aggressive tread pattern and brown skin styling.


Installation Tips

  1. Match your rim size (20” or 26”) and width (typically 80–100mm).

  2. Use high-quality inner tubes rated for 4.0" tires.

  3. Inflate to 15–30 PSI depending on terrain.

  4. Pair with puncture-resistant liners or sealant for added protection.


Rider Reviews

"Stylish and smooth"
"These brown CST Big Boats changed the whole look of my cruiser. Super smooth on pavement." – Brian S.

"Perfect e-bike upgrade"
"I run the 26x4.0 on my electric fat bike. Great grip and eye-catching design." – Latoya W.

"Love the sidewalls!"
"Unique color, strong grip, and no bounce even on rough gravel. Very happy with them." – Rob M.


Buy the CST Big Boat Tire Today

Style meets substance with the CST Big Boat 20x4.0 and 26x4.0 tires. Whether you're commuting, cruising, or carving trails, these tires deliver high performance with bold, premium looks.

🛒 Order now from Electric Bikes & Accessoriesfree shipping included.

📌 See CST tires in action on Pinterest. Explore customer builds and street setups.



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