Sigma BC 1609

Sigma's BC 1609 is a powerful information collector in a diminutive package. Its customizable display provides a clear view of essential information during your ride. After you get home, the 1609 can be plugged in to your computer with the docking station (sold separately) to automatically analyze your ride data, helping you track your training. Also, the 1609 has a backup storage chip which remembers your data even if your battery dies!