Today's QT – a 2-pack of related tips – comes to us from RBR contributor Stan Purdum, who writes: The first tip is to carry an adapter nozzle that can be screwed onto a presta valve stem to allow the tube to be inflated using a pump with a Schrader head. These adapters are available in most bike shops, cost very little and weigh almost nothing. I’ve had one tucked … [Read more...] about Carry a Schrader-Presta Adapter Nozzle on Rides