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2025-08-24 12:36:21
Works as well as a compass can work. Before buying it, I verified my handlebars were non-magnetic (ie aluminum not steel) by using a magnet. Don't expect this to work near ferrous materials. This compass already has a little round rubber pad glued under the compass that holds it in place on 1" bars. It also includes a separate C-shaped rubber ring that needs to be used on 7/8" bars to keep it from sliding around. It's not rated for bars larger than 1", although it might stretch enough to fit up to 1-1/4" bars. Using the C-shaped ring holds it nice and tight on the 7/8" portion of my riser bars.In use, keep in mind its a compass and suffers from all the typical compass problems, including magnetic dip and acceleration and turning errors. You pilots will understand. In a nutshell, the compass will read erratically while turning and during sudden accelerations/decelerations (eg bumps and potholes). Straight and level, it works fine provided there are no stray magnetic fields (deviation) about. Keep variation in mind as well (the difference between true and magnetic north). It's a compass, not a GPS unit.The compass has an arrow and the letter N for North, letters for E, S, and W, and smaller letters for the intercardinal directions NW, NE, SE, and SW. The only odd thing is that there are three lines between the cardinal and intercardinal directions, in other words four divisions each 45 degrees. That's 11.25 degrees per mark. Just one line (for the secondary intercardinals SSW etc) or two lines (ie every integer 15 degrees) would have made more sense for a compass. Oh well...minor nit. It does a fine job showing me my general direction of travel, with no batteries required.
april
2025-07-28 12:41:32
The compass was not meant for bike riding. With every turn or bump the dial went spinning and never gave accurate direction. I tested it in my neighborhood where I knew what direction I was going. Unless I was at a stop or riding on a smooth straight path it never gave right directions, it was always floating. Would not recommend this product.
Zombie
2025-06-26 14:09:22
I just wanted something to put on my bike and this turned out to be perfect. It's easy enough to read, though small enough to be unobtrusive. My handlebars have different thicknesses, and don't have a problem with this getting and staying on. A little better quality than I expected for the price. I'm happy with it.
SirHarley
2025-06-24 10:02:50
Doesn't take up very much space on the handlebar. The face is tiny, and I think it should be a little larger. It is hard to read from arm's length. I have steel handlebars, and for accuracy's sake, I have to remove it from my handlebar. But it is handy to have. And it tests very accurate to my other compasses...
Jackel
2025-05-20 15:51:22
It’s ok. It’s cheap and it works. Just understand that it needs to be removed from the handlebar when you want an accurate reading. Otherwise, with the metal bar, bells, mirrors and odometers, there is too much metal around to keep it on the bar.
Michael Efrem
2025-04-10 16:26:31
This compass is exactly what I needed for my bike.Be aware: it's a tiny magnetic compass. So --Will it give an accurate reading when it's at an angle, or when you're bouncing around on roads and off-road? No, it won't. That's just the nature of a tiny magnetic compass. But if you're okay with stopping for a reading, or if you can accept that the reading will jump around a good deal on anything but a smooth road, this works great. That's all I need.Will it give an absolutely accurate bearing? No, it won't. But if you want a pretty decent bearing, it's great. Again, that's all I need. If I needed a serious navigational tool, I wouldn't rely on any kind of tiny compass and then blame the compass for poor results. I'd put a "real" compass in my pocket or pack.A larger compass would be more robust, but then it wouldn't fit on my handlebars. An electronic compass would be more robust, too, but it also probably wouldn't fit, and it'd be way more expensive.So for what it is -- a tiny, non-magical magnetic compass -- it's an excellent addition to my bike.
Robert Simkunas II
2025-02-22 12:38:37
Here to dispel some of the bad reviews for this compass.I took a chance on this little compass & compared it to my Cammenga H3... & as the picture shows, it is just as accurate.I also own a Sunnto M-3G which also agrees with the Sun clip-on compass.I clipped this on to my mountain bike handle bars, & it maintains the same accuracy.Took it down some jump trails & it holds on solid.It is a perfect, general direction compass, for quick reference while bike riding, or hiking... hence the 5 stars.I still prefer to use my Sunnto or Cammenga for land navigation, as they are better suited for use with maps... but this clip-on could work in a pintch.Now as far as the reviewers claiming the compass just spins... that's most likely because they mounted it on, or too close to ferrous or nickle metals, or too close to batteries (from a bike headlight or cellphone, or some other electrical device).Those claiming it only points in one direction... well... ALL compasses only point in 1 direction, which is Magnetic North.Edit... You may have accuracy problems if the compass is too close to steel bolts, like on your brake levers.Swapping steel bolts out with titanium bolts will solve this.
Jeremy Watkins
2025-01-23 15:00:33
I got this hoping to have a small reliable compass to use on my motorcycle handle bars. But immediately after opening I checked what it showed as north compared to another compass and and my phone's digital compass.. It did NOT show true north right out of the box...That being said, the price is reasonable and I suppose if you have a strong magnet at home already, you could fix this compass easily if one was so inclined to do so. If not, don't buy this product.
Amrita Chowdhury
2024-12-24 16:41:36
it's ok product today I noticed small air bubble in this compass so I give 4 star please tell me @sun company how to remove air bubbles
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2024-12-21 13:56:05
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NDK
2024-12-16 12:08:12
Fits the bike handlebars.
fiona c.
2024-12-15 14:21:41
Fit easy to bike and clear to read direction of travel
Alex Ferentinos
2024-12-12 18:02:38
Sometimes to navigate the city etc I use a map app on my phone, with bluetooth earbuds in, and will get "turn north-west along such and such road...."Nice but where on Earth is north-west?This fixed that issue nicely.Clips on instantly and stays in place.
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