Not sure what your priorities are but from my (limited, it is true) personal experience the Lezyne Pressure drive has been by far and away the best- fairly painless getting tubular tyres up to pressure when out and about, nice and small in your jersey pocket.
Not sure what your priorities are but from my (limited, it is true) personal experience the Lezyne Pressure drive has been by far and away the best- fairly painless getting tubular tyres up to pressure when out and about, nice and small in your jersey pocket.