You asked for it, and we have delivered. A self-contained light designed specifically for mountain biking and helmet mounting. Named after the famous trail in Sedona, AZ.

  • 100g total weight with integrated mount.
  • 90 minutes of strong output, with the ability to charge-on-the-go.
  • 0-80% charge in 1 hour with standard USB-C.
  • Incredible beam pattern designed with helmet mounting in mind.
  • Ultra-slim form factor.

Hey ohhh! We are back in stock and ready to ship almost same-day!

SKU: OB006 Category:


We know what you want from the best helmet mounted bike light. Lightweight, ultra-slim form factor, incredible output, easy to use,  and being able to recharge quickly is always a plus. So we did just that and developed the Hangover.

A helmet mounted bike light designed from the ground up to be exactly that, no bulky adapters, no wires, no nonsense.


This is how we did it: 

For starters, we developed the optic in-house, from the ground up.  You can’t have a great light without a great optic, so we put hundreds of hours into simulation and prototypes to develop a beam pattern that fills your entire field of view with the light you need, not just a spot down the trail.



The blended TIR optic uses precision engineering to finely tune the beam shape, eliminating the typical “round hotspot” edges by redirecting portions of the beam to where you need it most, creating a dramatically smoother beam.  Creating a Light Carpet around your periphery allows you to see and react to the whole trail and not get “tunnel vision” with harsh edges.  The smoother the beam, the less strain on your eyes, the better you can see and the more comfortable your night ride is.




Then we focused on packaging. We absolutely wanted this to be the slimmest and lightest light on the market. So light you don’t even notice it on your head. So we put the battery sideways, used lightweight magnesium for the heat sink, lightweight PMMA with integrated overmolding for the lens, and an over-molded polycarbonate shell to form the top half.

The result is an incredible 100 grams total weight. Absolutely unheard of for a high power light.

Combine that featherweight with the fact that we can run this light at 100+ minutes of usable runtime and you start to wonder what else you could possibly need. Need to last longer than that? We are one of the only bike lights on the market that offer pass-through charging. So you can hook up any USB powerbank you may own and it will supplement the light as your ride goes on. Giving you unparalleled flexibility for your specific riding needs.

Let’s talk about runtimes for a second. The bike light industry tends to like to use the FL1 standard, which rates runtime as the time it takes to go from full brightness to 10% output, an outdated measure that harkens back to the days of using Alkaline batteries, and when you would swap out your flashlight battery… But this is 2020. We need to get real about runtimes. Nearly every single light on the market starts out full brightness and diminishes over time, and this is okay. Our eyes adapt to the darkness and as long as the reduction is gradual, we literally cannot tell the difference until reaching about 50-60% of the perceived brightness.  Which is why we say that we have 100+ minutes of usable runtime in our standard Adaptive Mode, we aren’t going to call this “high” anymore and have a mode that isn’t actually high…. we made that mistake once.

Here is the expected runtime chart. This should be far more useful then just a single number. Also included is one of the more popular bike lights out there to reference how the typical “1 hour runtime” is advertised versus how it actually performs.

Our High, Medium and Low Modes are SOLID output modes that are designed for the rider that changes the light intensity often. Low and slow for the climbs, maximum output for the fast descent. Medium is the perfect setting when paired with the Trail Edition or another Hangover on the handlebars to get nearly 3 hours of runtime.  Adaptive is for the rider that hits the trail hard right from the parking lot and doesn’t want to think about changing output often. Just set it and forget it and get 90+ minutes of runtime.

Every mode has a 20-minute reserve that drops to low, we don’t want you getting stuck in the woods with no warning, or no way to get out in time. Plus let’s be honest, if you left it on high you probably were really only going to get another 3 minutes of runtime before totally going out, so lets put in a safety measure…


No excuses anymore: Charge to 80% in 1 hour

Think for a second, how many times have you or a friend said “I can’t ride tonight, I forgot to charge my lights.”  Typical bike lights take 3 hours to charge IF you paid for the “fast charge” feature, 6 hours if you didn’t.

With the Hangover, you can get an hour of runtime in just 30-40 minutes with a compatible QC 3.0 charger, and a nearly full charge in around an hour thanks to standard USB-C QC charging.  That means you can plug it in while you’re getting ready, or driving to the trail, and be ready to go.



American Made Quality.

Like the Trail and Road Edition, these lights are built in our Chicago workshop. We put a massive amount of engineering work into making sure we can assemble our lights quickly, accurately, and with the highest quality to ensure that we keep production stateside for years to come.  Backed with a no-questions-asked warranty and amazing customer service. We want you to be a customer, a friend, and an Outbound rider for life.



What is included?

  • Hangover Light
  • USB-C charging cable
  • GoPro Helmet Mount with 3M VHB curved adhesive pad

Instruction Manual

CLICK HERE for the latest instruction manual

Customer Reviews

Based on 167 reviews
Next level visibility

Bought the Hangover to complement the Trail light I bought last year. It definitely adds next level visibity on my night time fat bike rides through the woods. Being able to light upvoming turns with the turn of the head is a life saver. Love the low profile and easy to operate button with gloves on!

Not enough light / 3.5 STARS, because 3 seems too low

Last year I rode 2000+ on the mtb in the pitch dark. 0445-0630 ~5 days a week. 20 min ride across town to the trails, 45min climb followed by 5min rowdy, rocky full tilt STRAVA PR chasing descents. My combo has been a Nightrider Lumina 600 on the bars and 950 boost on the helmet. I bought the EVO+hangover combo.

The light pattern from EVO is SO GOOD, that as a combo, this light doesn't add much. I ride with it by itself once when I broke the clamp on my EVO. It
has a small hotspot for reach and a pretty nice broad wide angle "carpet". But compared to the EVO it's not nearly as bright a carpet and in combo with, it doesn't add anything. The narrow hotspot adds a little reach down the trail past the light from the EVO but not much. I prefer the narrow focused spotlight of my NiteRider Lumina 950 in combo with the EVO. It just gives more light down range.
I barely get 2 hrs of light out of the Hangover, paved road and climbing on Low, descending at Max power. I get 4-5 hrs from the EVO and my Niterider. The Hangover is much lighter than the EVO but about the same weight as my NR.

Back to riding with just the Hangover, if your rides are 2 hrs or less and don't involve long technical fast descents, but meandering in the woods of the midwest with lots of tight corners, this light will probably be just fine for you if you require a helmet light (and don't have an EVO). The EVO beam is so bright and wide that I'm not sure a helmet light is required for most people not bombing the downhills. I also like helmet lights for being able to look at cars at 90 degree intersections.

I had no issues with hum, and the rubber plug is a little challenging to get in, but not THAT hard.
The stick-on go pro is ok. I had to add shims (a couple layers of tape) to the mount to get the light to stay tight and where I pointed it.

Very pleased

Very happy so far. Nice beam- not the bull's eye I am used to. It comes with adhesive GoPro base only- my helmet has a center vent so I chose not to use the adhesive mount. I bought the GoPro brand strap mount from another vendor- works great. Easy on and off. Nice big button. Clear functionality. A lot of light and battery power in a small, strong package. This thing is worth the premium price. I love the design of the indicator lights: moving while charging; steady when charged, when you press the button they show the light power level, and they indicate battery level during use. That is perfect. I hardly notice the weight on my head. Suggestion: label your chargers. The manual says "use the charger it came with" but that one looks like any other charger. It should have a nice OL sticker on it. I have so many chargers around the damn house they need their own room.

Stellar light - nothing compares!

This is absolutely the best brain bucket light I’ve used in 25 plus years of mountain biking! Well made, even pattern, great run time, and self contained!



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