Salut,
Je donne jusque quelques chiffres, je n'ai pas le temps ni la patience d'expliquer comment on mesure la resistance au roulage et encore moins comment fonctionne un SRM.....
Continental GP Force/Attack
dimension (mm), front/rear: 22x20.6/24x23.3
weight (gramms): 184/196
rolling resistance (Watts): 31.3
puncture resilience (seconds): 180
wet grip (starts to swerve at km/h): 34
==
==
Continental Grand Prix 4Season
dimension (mm): 24.8x24.6
weight (gramms): 222
rolling resistance (Watts): 40.4
puncture resilience (seconds): 180
wet grip (starts to swerve at km/h): 33
==
==
Hutchison Fusion3
dimension (mm): 22.7x22.3
weight (gramms): 213
rolling resistance (Watts): 53.3
puncture resilience (seconds): 180
wet grip (starts to swerve at km/h): 31
==
==
Hutchison Fusion 3 Tubeless
dimension (mm): 21.5x20
weight (gramms): 304
rolling resistance (Watts): 40
puncture resilience (seconds): 116
wet grip (starts to swerve at km/h): 31
==
==
Michelin Pro Optimum
dimension (mm): 26x25.6/25.8
weight (gramms): 221/239
rolling resistance (Watts): 44.9
puncture resilience (seconds): 167
wet grip (starts to swerve at km/h): 33
==
==
Michelin Pro4 Race Comp
dimension (mm): 22x21.1
weight (gramms): 181
rolling resistance (Watts): 40.9
puncture resilience (seconds): 112
wet grip (starts to swerve at km/h): 34
==
==
Vittoria Diamante Pro
dimension (mm): 22.8x21.6
weight (gramms): 198
rolling resistance (Watts): 41.2
puncture resilience (seconds): 50
wet grip (starts to swerve at km/h): 30
==
==
Vittoria Rubino Pro
dimension (mm): 22.8x22.1
weight (gramms): 253
rolling resistance (Watts): 41.5
puncture resilience (seconds): 95
wet grip (starts to swerve at km/h): 31
==
==
Specialized Turbo Pro
dimension (mm): 22.2x21.5
weight (gramms): 202
rolling resistance (Watts): 45.6
puncture resilience (seconds): 180
wet grip (starts to swerve at km/h): 32
==
==
Specialized Roubaix Pro
dimension (mm): 24x22.8
weight (gramms): 266
rolling resistance (Watts): 45.9
puncture resilience (seconds): 180
wet grip (starts to swerve at km/h): 32
==
==
Schwalbe Ultemro ZX
dimension (mm): 23.2x22.3
weight (gramms): 189
rolling resistance (Watts): 40.9
puncture resilience (seconds): 180
wet grip (starts to swerve at km/h): 34
==
==
Schwalbe Ultemro DD
dimension (mm): 24.5x22.9
weight (gramms): 232
rolling resistance (Watts): 53.4
puncture resilience (seconds): 154
wet grip (starts to swerve at km/h): 34
Les chiffres en soit ne sont pas tres important c'est les valeurs relatives entre les mesures qui importent.
http://www.slowtwitch.com/Tech/Tires_and_wheels_for_timed_cycling_events_226.htmlCiao,
