External all-in-one machine (approx

will save you 30g over a traditional chainring set

With the introduction of fore-aft motion

heart rate monitor

cycplus f1 electronically controlled fan muscle oxygen sensor External all-in-one machine (approxPowerful wind, instant cooling: F1's BLDC motor and wide centrifugal blades generate powerful winds up to 50km h, keeping you cool and fresh. (Maximum wind speed measured at the fan outlet) 5 speed modes, fully adjustable: Control the speed of your F1 by connecting your ANT+ speed sensor, heart rate monitor, power meter or smart bike trainer directly to the fan. It intelligently adapts to real time training data and ensures optimal cooling during