We extended the field of view in the upper peripheral region to optimize it for cycling, and once we added Switchlock™ Technology for easy lens changing plus temples that adjust to three different lengths for helmet compatibility.
For days when the mercury plunges below 15 degrees F (-9 degrees C), Sturmfist 4 provides unmatched warmth and comfort with superior fabrics and insulation technology.
Dual band Bluetooth Smart (4.0) / ANT+ cycling speed sensor
The Wahoo RPM speed sensor is the sleek, magnet-less solution for capturing cycling speed data
Easily mounts to your bike's front wheel hub, and the Bluetooth 4.0 and ANT+ dual band technology
Dual band Bluetooth Smart (4.0) / ANT+ cycling RPM speed sensor (178322-01) and RPM Cadence sensor (178317-01) sold together in one effective retail package
