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out of august issue of german BIKE magazine. they tested all sorts of different tires...below are the graphs for both rolling resistance at 20 km/h and further below the resistance the tires withstood against a falling metalbar. that's the "pinchflat"test. obviously the higher the height the tire withstood the better.
of interest:
Specialized Rockster Pro at 43.6 watts - ouch!
also the Conti Explorer Supersonic at 31.3 watts is rather slow rolling. remember the Nokian NBX Lite 2.0" ? it had around 18 watts....
they also tested inner tubes all on the same tire at the same pressure. they also tested the pinchflatresistance - the higher the better:
make: weight / rollingresistance / pinchflatresistance
Schwalbe XX-Light: 99g / 22.9 watts / 60 cm
Conti MTB Supersonic: 93g / 22.3 watts / 60
Michelin C4 Latex: 122g / 21.3 watts / 60
Panaracer GreenLite: 104g / 21,2 watts / 50
Maxxis Flyweight: 94g / 22.6 watts / 55
Schwalbe Extra Light: 99g / 23.7 watts / 60
Kenda Downhilltube: 675g / 29.2 watts / 80
Maxxis Welter Weight: 182g / 23.9 watts / 60
Maxxis Downhill 1.2: 296g / 24.9 watts / 80
inner tubes filled with sealant:
Zzyzx Safe Ride: 299g / 24.3 watts / 60
Kenda Pannenschutzschlauch: 286g / 24.9 watts / 60
once more the Eclipse-Tubelesskit proved to offer less rollingresistance compared to the fastest of the inner tubes, the Michelin Latex. at 20.4 watts that's 2.2 watts per wheel less!
of interest:
Specialized Rockster Pro at 43.6 watts - ouch!
also the Conti Explorer Supersonic at 31.3 watts is rather slow rolling. remember the Nokian NBX Lite 2.0" ? it had around 18 watts....
they also tested inner tubes all on the same tire at the same pressure. they also tested the pinchflatresistance - the higher the better:
make: weight / rollingresistance / pinchflatresistance
Schwalbe XX-Light: 99g / 22.9 watts / 60 cm
Conti MTB Supersonic: 93g / 22.3 watts / 60
Michelin C4 Latex: 122g / 21.3 watts / 60
Panaracer GreenLite: 104g / 21,2 watts / 50
Maxxis Flyweight: 94g / 22.6 watts / 55
Schwalbe Extra Light: 99g / 23.7 watts / 60
Kenda Downhilltube: 675g / 29.2 watts / 80
Maxxis Welter Weight: 182g / 23.9 watts / 60
Maxxis Downhill 1.2: 296g / 24.9 watts / 80
inner tubes filled with sealant:
Zzyzx Safe Ride: 299g / 24.3 watts / 60
Kenda Pannenschutzschlauch: 286g / 24.9 watts / 60
once more the Eclipse-Tubelesskit proved to offer less rollingresistance compared to the fastest of the inner tubes, the Michelin Latex. at 20.4 watts that's 2.2 watts per wheel less!
