The X850 is your go-to lightweight workhorse. It&';s designed for helmet mounting, everyday use, and those times when you want a powerful beam without carrying a torch. Kept rugged, kept simple, built to serve. Why We Built It Weight & mounting priority: We heard from riders - "give me brightness, but don&';t make me carry a tank on my helmet." So the X850 sits in the sweet spot: light enough for helmet mounting, yet powerful enough for real tasks. Versatility in mounting: Comes with both helmet and handlebar mounts out of the box, so you don&';t need to pick or compromise your mounting style. Modern charging & resilience: Upgraded to USB-C so charging is easier and more universal. Sealed and rated IPX6 for real-world spray and weather. Testing & Real-Use Scenarios Night rides & trail work: Helmet-mounted during late-night runs for terrain mapping, ice spotting, and unlit stretches. The X850&';s balance lets you forget it&';s there until you need it. Cold & wet exposure: Tested in snow, rain, and freezing spray - seals held, brightness stayed stable, and USB-C charging remained reliable in damp, dirty conditions. Crash & vibration tolerance: Off-trail bounces, minor tumbles, and trail chatter confirmed the housing and mounts keep the light locked in and functioning. Battery consistency: Multiple full-discharge cycles in cold temperatures monitored for wattage drop and warm-up behavior under real alpine conditions. When You&';ll Get Full Value Out of It Helmet-first riders: Designed for riders who prefer helmet mounting and demand balance, comfort, and usable beam shape. Utility over range: When you need brighter fill than a headlamp but don&';t need extreme throw. Multi-mount flexibility: One light that works on both vehicle and helmet without buying extras. Day-to-night usage: Efficient lower modes make it ideal for twilight, transition zones, and camp use. Gear minimalists: High output without unnecessary complexity or weight. Kit Includes: USB-C Charging Cable GoPro Helmet Mount GoPro Accessory Mount Handlebar Mount Details: Maximum brightness: 850 lumens 3350 mAh battery capacity >200 m beam distance 85Adeg floodlight angle IPX6 waterproof USB-C charging Dimensions: 101 x; 34 x; 28 mm Weight: 130 g Mode Lumens Runtime High 850 2 hr Medium 400 3 hr 5 min Low 200 6 hr Eco 100-50 23 hr 30 min Strobe 850 6 hr