Schwalbe Aerothan Tube - 27.5 x 2.1 - 2.4 40mm Presta Valve. Developed in cooperation with BASF and with experts from the German plastic manufacturing industry the Aerothan tube emerged to not only meet all the requirements of a high-end bicycle tube but to exceed them.Fully light-weight right to the valve - about 40% less weight than a comparable Schwalbe extra light tube 
Puncture protection newly defined - the material itself prevents sudden air loss 
Minimal rolling resistance - maximum riding dynamics 
Extremely heat resistant - certified for rim brakes 
A stable ride - even with low air pressures 
Easy installation - without slipping or pinching 
100% recyclable 
- TECH SPECS
| ISO Diameter | 584 / 650b / 27.5" | 
| ISO Width (mm) | 54 | 
| ISO Width (mm) | 55 | 
| ISO Width (mm) | 56 | 
| ISO Width (mm) | 57 | 
| ISO Width (mm) | 58 | 
| ISO Width (mm) | 59 | 
| ISO Width (mm) | 60 | 
| ISO Width (mm) | 61 | 
| ISO Width (mm) | 62 | 
| Labeled Size | 27.5 x 2.1 - 2.4 | 
| Shaft Type | Smooth | 
| Tube Compound | Thermoplastic Elastomer | 
| Valve | Presta Short 32-40mm | 
| Valve Core | Removable | 
 
      
      
     
     
     
     
     
     
     
     
     
     
     
     
    