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  1. #1
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    Gemini Duo vs. Gloworm X2

    Very interested in picking up one of these for use on my helmet...Love how low profile both of these lights are...I plan on using one of my old original MS on the bars...can anyone comment on which of these lights they prefer and why??? Kinda leaning toward the Gemini just because I'm not really sure about the remote on/off switch but I'm very interested in everyone thoughts...Thanks in advance...
    Last edited by Sevenz; 11-17-2012 at 09:15 AM.

  2. #2
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    Gemini makes great lights and while I do not own the Duo I have used the Gemini Titan which I believe uses a similar helmet mount. I own the Gloworm X2 and I can tell you the helmet mount is great. It sits much lower than the way the titan mounted. I have been using the X2 for a couple of months now and the remote switch is great. I didn't like the idea of it but now that I am using it I can tell you it is the way to go. I mounted the switch on the side of the helmet just above my right ear and it is quite handy.

  3. #3
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    At first I didn't like the thought of having a remote switch mounted on my helmet either, but I figure that it would be easier to mount a switch low, instead of having to reach up on the top of my helmet and find the switch on the back of a light. Although I have never owned a light with a switch on the back, I can imagine that having a separate switch mounted at a lower an easier access would be nice.

  4. #4
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    I received both the GW X2 v2 and DUO last night. Just shining it around in the back yard I have to say the X2 seems to be the better light. Brighter with a wide enough flood and more punch down the line. It's not a pure spot though. The beam pattern of both lights are more what I was looking for (not dedicated flood or spot) since I prefer just one helmet light. I wanted the DUO rather because I think the X2 has a convoluted programming function that I really do not like or would use much. The DUO is also smaller and less of a hassle to move from helmet to handlebar, but I think I'm going to go with the X2. The DUO is a very worthy alternative at a better price though. I wish I could keep both, but I already have an Olympia too (which I think I will sell). I'll make up my mind soon, but at this point I'm leaning towards the X2.

  5. #5
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    Nice write up "blackbean"... Being as you have both the Duo and X2 at your disposal. Whats the chances of taking / posting some side by side beam shots for us ???

  6. #6
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    Thx. I will see if I can take some shots tonight. I'm really not a camera guy. But as long as it's apples to apples, you can make a fair comparison. You can't go wrong with either of these lights if you want one light that does it all. I think these dual XML's makes flood ligths unncessary. I can see some people wanting a bit more spot, but this is good enough for me. That being said, I don't think the best spot in the world is going to give you enough comfort when bombing down a road at 40 mph at night. I just prefer the convenience of 1 light. Less hassle. Enough gear to think of already when riding in colder weather. Will check in tomorrow with pics hopefully.

  7. #7
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    Quote Originally Posted by blackbean View Post
    Thx. I will see if I can take some shots tonight. I'm really not a camera guy. But as long as it's apples to apples, you can make a fair comparison. You can't go wrong with either of these lights if you want one light that does it all. I think these dual XML's makes flood ligths unncessary. I can see some people wanting a bit more spot, but this is good enough for me. That being said, I don't think the best spot in the world is going to give you enough comfort when bombing down a road at 40 mph at night. I just prefer the convenience of 1 light. Less hassle. Enough gear to think of already when riding in colder weather. Will check in tomorrow with pics hopefully.

    "Bean" 1 light equals disaster when it goes out and it will all do eventually. Make sure you have a backup K
    I always type in bold cuz I'm blind as a bat
    For the Rich there is therapy!!!! for the rest of us we have Mountain Biking


  8. #8
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    Raku, thx for the reminder. I normally ride in a group. But I should remember that when I go out by myself. I have 2 NiteRider cordless lights (the Minewt 250 and 600) which are ez enough to put on the handlebar. Thx for the concern and the reminder!

  9. #9
    TCW
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    The MiNewt 600 on the bars compliments a Duo on the helmet quite well. Duo overwhelms it but the MiNewt has just enough to add some contrast (shadows) to not completely wash the trail details out. I usually carry an extra 600 in the camelbak just in case. A buddy had his Seca 1700 battery prematurally fail the other night. Slapped the extra MiNewt 600 on the bars and he was good to go for another 1.5 hours (with Seca ran on low).

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    well i was just in your position.. Went for the x2 for 2 reasons... First is the remote switch.. With the remote i knew i wouldn't accidentally adjust the light head every time i wanted to switch light level.. I have the switch on my helmet-- right on the corner of the visor-- super easy to find... 2nd reason was i liked the lower profile the x2 offers on the helmet vs the duo.. I liked the adjustment of light levels way more on the duo-- but whatever--I set my x2 on trail and i have low medium and high-- good enough for me..

  11. #11
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    Thanks for all the replies...Going to go with the X2! Will report back when I have a few rides under it...

  12. #12
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    Quote Originally Posted by SB Trails View Post
    well i was just in your position.. Went for the x2 for 2 reasons... First is the remote switch.. With the remote i knew i wouldn't accidentally adjust the light head every time i wanted to switch light level.. I have the switch on my helmet-- right on the corner of the visor-- super easy to find... 2nd reason was i liked the lower profile the x2 offers on the helmet vs the duo.. I liked the adjustment of light levels way more on the duo-- but whatever--I set my x2 on trail and i have low medium and high-- good enough for me..


    The X2 is a sweet light. I really wanted to prefer the DUO. The only other thing I have to consider is that the DUO can run 3 hours on high with the 4-cell Gemini battery. It seems like the X2 only runs 2:15 on the 4-cell (GW) battery.

  13. #13
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    Quote Originally Posted by blackbean View Post


    The X2 is a sweet light. I really wanted to prefer the DUO. The only other thing I have to consider is that the DUO can run 3 hours on high with the 4-cell Gemini battery. It seems like the X2 only runs 2:15 on the 4-cell (GW) battery.
    Hey Blackbean.......interesting conversation going on here

    Just wondering if you have taken the runtime off the website or some other source, or have actually run it down. We've never had a battery run less than 2.5 hours (quoted on site) and most get 3 hours (We have understated the runtime to ensure our customers get at least what they paid for - same goes for lumens).

    Also same question of the Gemini? Just curious......

    Glad you like the product...

    Cheers!

    Bruce and Vag
    Gloworm

  14. #14
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    Quote Originally Posted by Gloworm Manufacture View Post
    Hey Blackbean.......interesting conversation going on here

    Just wondering if you have taken the runtime off the website or some other source, or have actually run it down. We've never had a battery run less than 2.5 hours (quoted on site) and most get 3 hours (We have understated the runtime to ensure our customers get at least what they paid for - same goes for lumens).

    Also same question of the Gemini? Just curious......

    Glad you like the product...

    Cheers!

    Bruce and Vag
    Gloworm
    Hi guys. Sorry, I misquoted . I thought I saw 2:15, but it was 2.5 (2:30). Hopefully it's closer to 3 hours at full power. I can't wait to take these lights out on the trail.

    I will do a few trail and road rides this weekend (starting tomorrow - Thxgiving here in the good old US) and see if I can come to a final decision.

  15. #15
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    Also same question of the Gemini? Just curious......

    Glad you like the product...
    As for the Gemini, I'm just going on what they state on their website for the DUO with 4-cell battery (3 hours at full power). It's been crazy at work and I've not had time to get some real riding time in this past week.

    I really LOVE the X2. As I said, I wanted to go with the DUO (which is a phenomenal product by itself), but as far as the actual output, beam pattern, etc. is concerned, I'm leaning towards the X2. This is the first time ever that I've compared 2 lights and it was this hard to choose. When I got the Olympia, it blew everything away I had before. Even my 856b which is a very capable light. But the DUO and X2 blows the Olympia away by so much that I'm getting rid of it.

  16. #16
    TCW
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    They blow the Olympia away? Is it an old model or something? I just got a DUO, Xera and Olympia. The Olympia is much more powerfull, wider and is the best handlebar light I've ever seen. I even used it solo once on the helmet and it was great. The Duo is nice but pales in comparison. Interesting.

  17. #17
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    balckbean. Are you still planning on posting some comparison shost for us ? We sure would like to see some !!!

  18. #18
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    Quote Originally Posted by TCW View Post
    They blow the Olympia away? Is it an old model or something? I just got a DUO, Xera and Olympia. The Olympia is much more powerfull, wider and is the best handlebar light I've ever seen. I even used it solo once on the helmet and it was great. The Duo is nice but pales in comparison. Interesting.
    The Olympia I have is the model with the U2 emitters. But even at that, not a huge difference between 1700 (T6 emitters) or 1800 lumens.

    The Olympia produces more lumens and has a wider flood than the DUO or X2. But it completely lack throw. So as a do-it-all light, the Olympia falls short. And that's why IMO the DUO and X2 outperforms the Olympia by far. The extra amount of flood the Olympia provides is not a plus for me since I think the DUO and X2 provides more than enough flood. So getting more than what you consider to be enough really provides no additional benefit. It' like having to eat after you've had your fill. I also perceive the DUO and X2 to be brighter. And I think that might just be due to the nature of flood lights like the Olympia to be more diffuse and appear dimmer. I sold my Olympia last night.

    OK, I got completely off track now. This is about the DUO vs X2. I had some friends compare the two last night. All of them thought the X2 is handsdown a brighter light with more spread and throw than the DUO.

  19. #19
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    Quote Originally Posted by mdemm View Post
    balckbean. Are you still planning on posting some comparison shost for us ? We sure would like to see some !!!
    My girlfriend's daughter is a photographer and I'll have her take some proper shots tonight (I'll get all the camera setup details). I will upload and post tonight or tomorrow morning.

  20. #20
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    We took the photo's of the beam patterns of the X2 and DUO tonight. Waiting to upload them and get the camera config details. We changed the settings between the 2 sets of photos we took (one set with the lights pointed straight at my garage with the door open) and one on the side of the house into the back yard). I will give more details when I upload them tonight or tomorrow. The DUO seems to be more of a spot and the X2 more of a flood (I have the standard with one spot and one flood lens). But the X2 still seems to outshine and out throw the DUO. The DUO appears to be more of a spot based on the narrower beam (less flood), not on out throwing the X2 (because it does not I think).

    We also took some photo's to compare the light heads themselves. The DUO clearly is the smaller and more compact light. And it truly looks like Wall-E, much more so than the X2.

  21. #21
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    Blackbean, like others here I am more than eager to learn from your photos and feedback. I am sitting on the fence eager to pull the trigger on one of these lights,so please post those photos asap and any other feedback possible. I would like to place an order Friday with hopes of having a light by Wednesday to break it in. Thanks

  22. #22
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    I have the photo's downloaded on my laptop finally, but I do not have the camera setup info. Heading out for a ride and will post tonight. Pedalfast, you can't go wrong with either of these lights. The X2 I think is definitely a bit better than the DUO at a little higher cost. Gotta run, talk later. Sorry this is taking so long guys, but it's just busy over Thxgiving weekend.

  23. #23
    TCW
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    Good info blackbean. I totally get what you're saying about perception and the Olympia's large flood pattern. I might have to get an X2 lighthead at some point but the compactness of the Duo is great. Likely, I'll be getting an Olympia for Christmas, for the bars as I'm running the Duo on the helmet.

    All the configurations I've tried so far the Olympia/Xera is my favorite. I'll have to give the Olympia/Duo another try. An Olympia/X2 with dual spot might hit that magic sweet spot. Hmmmm, money.

  24. #24
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    Trying to organize the beamshots and will be uploading some soon. It's going to be messy but I hope it will be usefull to some of you.

  25. #25
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    Beam shots coming.....might get interrupted by brunch. Here are the camera and settings:

    Camera uses: Cannon Rebel T2i.
    All of the photos in front of the garage were shot with 1/60 at f2.8, ISO 800.
    The photos on the side of the house were shot at 1/20 at f2.8, ISO 800.

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