Schwalbe Aerothan Tube SV17E+ Presta; 700 x 37-50 85g 40mm valve

Item 17E+. For bicylce tyre in 28" inch (ETRTO 37/50-622).

• Aerothan-Plus tubes with increased wall thickness
• Same low rolling as standard Aerothan tubes
• 80% more puntcure resistance
• 20% more snake bite protection
• 40% higher weight