Zipp engineer Dave Morse first put TyreWiz on his bikes out of curiosity and a bit of novelty. Then as the miles accumulated, he realized its utility before and during rides. Dave pumped up his tires until TyreWiz’s LED turned green. He made minor tire-pressure adjustments to optimize speed, rolling resistance, and handling. He monitored potential punctures on gravel. For the launch of the new TyreWiz 2.0, we talked with Dave about this handly small device.