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Having previously worked in the bicycle industry—including a stint at Shimano—I’d humbly consider myself somewhat of an expert. In my view, the standout feature of this light series is its turn signal functionality. It is arguably the only mature and reliable turn signal system available in mainstream markets today. While you can find plenty of similar turn signals on Taobao or in lower-end markets, I’ve tested several and found them to be plagued with issues, lacking durability, and featuring almost non-existent user-friendly UI design.

As both a dedicated road-bike cyclist and a mamachari (parent-child bike) user who commutes with my kid daily, reliability and ease of use are my absolute top priorities. After using the Lumos Firefly series, I found its turn signal design to be incredibly thoughtful and deeply considerate of the rider's actual needs. I truly believe Lumos should double down on marketing this feature, letting more people know that this is the unique, defining characteristic of their product.

Ordered before......easy to install on helmet

Absolutely brilliant

Highly visible and light up helmet!

Fit perfect.

Sehr gute Passform und sehr einfach anzubringen. Sehr guter Sitz.

The Lumos Smart Bike Helmet Replacement Fit System Adjustment Dial is very easy to replace & install with the FAQ & YouTube video that is included on your website.

Bought two of these mounts. Worked decent on one of the bikes, wouldnt work at all on the second. Didnt bother trying to return it because one of the bolts stripped to tighten the positioning of the light bar so we just threw it out

Este ce trebuie, chiar mai mult!

Lumos Firefly Rear Turn Signal Mount

Sehr gutes Raincover. Passgenau. Sehr klein gefaltet und daher Ideal für unterwegs.
1 Punkt Abzug gab es da es von der Bestellung bis zur Lieferung 12 Tage gedauert hat.

We eagerly anticipate the delivery of our new helmet, we just purchased E bikes.

Helmet Padding

Super din toate punctele de vedere! Mulțumesc.

Most excellent product! Easy to install. Easy to charge. Much more visible on the road.

Really enjoy the flexibility to charge, carry and store four Firefly lights for my ebike.

After 14 days, still no delivery.

I’ve gotten a grey helmet a couple of months ago and the quality was horrible for the grey. Have already wrote to the seller and now they’re replacing me this black one. I’ve done this replacement 14 days ago and I’ve not received the helmet and now I’m sent this email to review. How to review when I don’t even have the helmet ?

My helmet keeps dropping bluetooth connection and won’t stay connected to bike or app. I have done everything I can to troubleshoot, reset and figure out. I reached out directly to Lumos, they won’t help. They sent me to Quin Within and I have yet to hear anything from anybody. Now I’m outside of the 30 day free return window. This thing is a paperweight, might as well just buy a regular helmet if you want to avoid the frustration of who actually helps with this helmet. The company you bought it from or the company that owns the technology. Either way, buyer beware.

We bought 4 lights and the indicator button. I was very excited to have a higher quality, better functioning version of the cheap indicator lights we replaced but they didn't really deliver.
They are approximately 2/3 times as expensive as the non-smartphone-app, cheap indicator light sets on Amazon. The production quality is clearly better with more and better mounting options ( the magnetic snap on mount is cool). I like that turning off one light ( mostly, but sometimes not) turns off all of them, but 1. Sometimes one light fails to respond to the indicator button. Which means you think you are indicating and nothing is happening. 2. Unlike those cheaper models, there is no sound while indicating. And no lack of sound when one decides to just not indicate. 3. The smartphone app actually has fewer modes than the cheap, simple lights had despite requiring an app, a firmware update, and 15 minutes of fiddling to configure, including no way to have the light completely off when not indicating.
The app itself is clunky, confusing, and annoying to use.
The lights are clear and bright, but so were the cheap ones and these are actually a bit smaller.
Honestly, if i could still buy a 4 light indicator set on Amazon where I live I'd just buy that again instead.

Best feature ever!

Für andere Helme gibt es wirklich schöne, auffällige Hüllen. Nur nicht für den Lumos… und dann auch noch 2 Wochen Lieferzeit, da es direkt aus China kommt

Lumos Firefly Rear Turn Signal Mount

Klasse Produkt unf schnelle lieferung