We received today Echowells U9 wired and U10W wireless, 9 and 10 function bicycle computers. These bicycle computers can tell you your necessary main items: current speed,trip distance,odometer,riding time, clock. They also include, in addition to average speed and maximum speed, CO2 : CO2 saving amount. The CO2 function accumulates the CO2 saving amount,(compared with the use of other vehicles), from the last RESET operation as long as the bike is being ridden.
Question: I need an affordable tire for my road bike, that can also hold up to our local roads. The Ultra Sport II was just received. The tire uses Continentals long lasting silica based tread compound, and has a robust 3/180 TPI casing. This tire has a recommended inflation of 95-120 PSI.