Schwalbe Aerothan Tube - 700 x 35 - 50 40mm Presta Valve ModelNumber=K4092 Compatible with 10-Speed Power-Shift systems

Compatible with 10-Speed Power-Shift systems only

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}Chromag Riza Stem - 38mm 31

34mm wide 383mm ERD

6 Flat Protection Sidewall ISO Width (mm) 66 ISO Diameter 622 / Road / 29"

Schwalbe Aerothan Tube - 700 x 35 - 50 40mm Presta Valve ModelNumber=K4092 Compatible with 10-Speed Power-Shift systemsSchwalbe Aerothan Tube 700 x 35 50 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