Compatible with most quarter-turn devices. Hinged design for easy installation on 31.8mm diameter bars. Positions your device in front of bar for safe viewing. Weighs just 22 grams.
The Doppler offers riders a traditional brevet and touring bike with smooth-rolling 650B tires that can venture into the dirt for those off-road excursions .
They say that every journey begins with a single step, but when that journey is related to exercise, that first step can sure be a doozy. It can be life-changing, however, and there's no better machine to take the plunge with than with the Roll.