Schwalbe Aerothan Tube - 700 x 35 - 50 40mm Presta Valve ModelNumber=J2479 Compatible with SRAM 10-speed road

Compatible with SRAM 10-speed road and mountain front and rear derailleurs and SRAM or Shimano 10-speed cassettes

Biodegradable and nontoxic

}SRAM Power Link for 9 Speed Card/4

Cartridge Type Threaded Cartridge Weight 20g Primary Color Black CO2 Actuation Yes Valve CLIK

Schwalbe Aerothan Tube - 700 x 35 - 50 40mm Presta Valve ModelNumber=J2479 Compatible with SRAM 10-speed roadDeveloped 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