The Wahoo Elemnt Bolt bundle features everything you need to boost your cycling performance & take your riding to the next level. Equipped with Bluetooth Smart & ANT+ dual band technology, the Elemnt BOLT pairs seamlessly with the Tickr, RPM speed & cadence sensor. The Elemnt Companion App lets you set up your device with ease, so you can create custom profiles, track your performance, update maps & firmware & share all your riding with your friends, all possible over Wifi, Bluetooth or ANT+. Programmable LED Quick Lock indicators provide a nifty way to see your progress with important metrics such as speed, power & heart rate. Designed with performance in mind, created to make your riding as simple as possible, the Elemnt BOLT computer lets you make every second of riding count. The out-front mount creates a smooth computer & mount integrated with Computational Fluid Dynamics, a highly aerodynamic system letting the computer sit flush with the top of the stem. Tickr Heart Rate Monitor The TIckr accurately tracks your heart rate & how many calories youre burning during your activity. The new integrated heart rate sensor & dtrap design provides a more secure connection & fit, the slimmest & lightest heart rate monitor on the market. RPM Speed & Cadence Sensors The Wahoo RPM speed & cadence sensor easily mount to your front wheel hub & crank or shoe respectively, with Dual Band technology allowing connection to both smartphones & your Elemnt Roan simultaneously. Sleek & lightweight with replaceable batteries, with no magnet required for installation.