What Our Gearhead® Experts Are Saying:"I reach for the Diablo SYNC Mk5 Headlight when I need flexibility and power on my night rides. With 2100 lumens and SYNC Bluetooth, I can adjust brightness on the go without breaking focus. The customizable settings are ideal for all my rides, and it’s lightweight enough that I forget it’s even there."For those of us who like to keep our options open on the trail, the Diablo SYNC Mk5 Headlight offers powerful versatility. Producing 2100 lumens through three bright LEDs, this headlight cuts through darkness with ease. The SYNC Bluetooth connectivity lets us adjust brightness and runtime from a smartphone or SYNC remote, adapting to our every need on the go. With a compact, anodized aluminum body that’s IP65 rated for weather resistance, it’s designed to endure all the elements we encounter. From quick after-work loops to all-night rides, the Diablo SYNC Mk5 is our compact, customizable companion.