This is the Onza SA1 Super Light Innertube 26" Presta Valve. Inner tubes are always part of the rotating wheel mass, therefore they should be as lightweight as possible. These super lightweight inner tubes from Onza feature a thinwall (0.45mm) for low rolling resistance and arew super lightweight for lower rotating weight.
0.45mm wall thickness for the ultimate in lightweight performance.
Size: 26 x 1.90-2.125
Valve: FV Presta
Buy Onza Wheels & Tyres from Chain Reaction Cycles, the World’s Largest Online Bike Store.