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Michelin C4 Airstop 26" Schrader Tube
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C4 Airstop 26" Schrader Tube

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C4 Airstop

The Michelin C4 Airstop 26" is a butyl tube for mountain bikes, cruisers, and hybrids.


  • Fits 26 x 1.6" to 2.1"
  • Schrader valve
  • 170 grams

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.


Weight: 170 grams


Tube Type: Butyl 


Tube Valve Length: 34 mm


Tube Valve Type: Schrader 


Wheel Size: 26" (ISO 559) 


Mfg PartNum: 90430 

26x1.45-2.4 Inch - 34mm Schrader

Tube Valve Length: 34 mm

Tube Width: 37-54mm 

Ordered by Most Relevant First
5 stars
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Only tubes I use on my 26er.
by Anonymous
Daily Commuter
New Mexico
2 of 2 customers found this review helpful.

Thick, tough, haven't pinched one yet.

Reviewed 2/2/2023
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