CST 20×4″ Fat Tyre Tube


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Replacement 20×4.0″ CST bicycle tube for fat tyre bike models such as the Stator Scout or Stator Cub. Good to pair with CST Scout or CST Tourance tyres, but fits other 20×4.0″ fat tyres from other brands too. 

Note: When purchasing tubes and tyres, we recommend to match your tyre and tube brand to ensure best fitment.


  • 1 tube Included
  • Suitable for 20×4″ Fat Bikes
  • Size: 20×3.50-4.00″ thick


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