The Reaction bridges the gap between value and performance. It gives you an easy to mount step thru frame design and upright riding position, combined with efficient riding dynamics. Other features you will enjoy include: The Shimano Revo grip shifting system paired with a Shimano rear derailleur ensure easy-to-use smooth shifts for any rider. Add the lightweight performance of the alloy "V" brake levers and alloy double wall rims and you get a value package that cannot be matched!