Chinertown
Chinese Carbon Road Bikes => Road Bike Frames, Wheels & Components => Topic started by: raisinberry777 on January 24, 2026, 03:35:49 AM
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Currently $95 USD:
https://a.aliexpress.com/_mNBAxih
Claimed accuracy of 1% (bold claim). No other interfaces listed yet. Couldn't find info other than AliExpress.
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@raisinberry I wanted to start this thread also, but you came first ;-)
The Coospo powermeter was mentioned in the "most reliable Chinese powermeter" thread and I was surprised there is such a cheap PM on the market. Especially from a manufacturer who's heart rate monitor is highly praised here in the forum.
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That's crazy if its any good. I'd be nice if some of these makers would also do "normal" 5 bolt spiders, but at that pricepoint I guess you just buy rings.
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Coospo radar is top notch, way better than the original carmín varia one.
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That's a bold claim considering how Garmin is still the gold standard today and how many useless radars are out there from companies failing to match them.
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@Dolph - off topic here but there's no thread discussing the Coospo Radar. Can you pls write some more why it's better than Garmin?
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Coospo radar is top notch, way better than the original carmín varia one.
I tested this back in November last year. My feedback to Coospo was the following:
Full Test Video:
https://drive.google.com/file/d/1hbsi14duldRGUV-0LRIwxclXTWGeWjUD/view?usp=sharing
Notes:
- The TR70 had a number of false positives throughout the ride.
- False Positives: 11:04, 12:45, 13:05 13:16, 13:21, 13:26, 16:51, 19:58, 46:20, 47:36, 48:11, 48:18.
- Vehicle detection was fine. As was the beam width, threat alert persistence, and the timing of the clearing state.
- Given the amount of false positives, I won't be performing any comparative test rides with another radar as the baseline at this point in time.
They acknowledged the issues recorded and said they'd get back to me if there were any firmware updates. I haven't heard from them since November 18th. My testing was with firmware v1.0.7. I've just checked for any updates, none available.
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@gplama: thanks for your post and the link to your vid, which I wasn't aware of.
But back to the S10: So what do you guys think, Coospo is manufacturing their very own powermeter, or is it just a Coospo branded version of another company? If so, which brand likely?
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That's a bold claim considering how Garmin is still the gold standard today and how many useless radars are out there from companies failing to match them.
Im comparing it with 1st garnin radar, the horizontal one.
Anyway coospo radar works well, battery life is great, usb C charger opposed to Garmin latest radar. Light is good enough.
After a month real life use this winter in northern spain, with all kind of weather detection is accurate, multi car detection works as expected. No false negatives and a couple of false positives in hairpin style turns with cars coming towards me.
Garmin RTL 500 isn't better that the coospo radar, but microusb in newest Garmin radar is a big NO for me.
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Im comparing it with 1st garnin radar, the horizontal one.
Anyway coospo radar works well, battery life is great, usb C charger opposed to Garmin latest radar. Light is good enough.
After a month real life use this winter in northern spain, with all kind of weather detection is accurate, multi car detection works as expected. No false negatives and a couple of false positives in hairpin style turns with cars coming towards me.
Garmin RTL 500 isn't better that the coospo radar, but microusb in newest Garmin radar is a big NO for me.
the 715 has usb c but its more expensive because it has a camera as well, i looked at all the reviewed radars before buying and if you cant trust them you might as well not have it in the first place doesnt matter which charging port it has. as for the 715 most bigger reviewers say the camera is shit and its true it isnt stabalized but atleast for uk plates they are always readable in daylight or dusk/dawn
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I can't find the Coospo TR70 Radar on AliExpress. Just on the Coospo website.
Is this some kind of geo blocking or same for other regions than Germany?
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I can't find the Coospo TR70 Radar on AliExpress. Just on the Coospo website.
Is this some kind of geo blocking or same for other regions than Germany?
Yeah, Aliexpress is blocking all kind's of bike lights shipping to Germany, unfortunately. The radar is a bike light in the end.
This is because of our street laws, as every bike light need a "K" registration with the KBA...
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Yeah, Aliexpress is blocking all kind's of bike lights shipping to Germany, unfortunately. The radar is a bike light in the end.
This is because of our street laws, as every bike light need a "K" registration with the KBA...
Yes, I know, that's foundn in § 67 Abs. 4 Nr. 2 StVZO (that's the German Road Traffic Regulations), "Blinkende Schlussleuchten sind unzulässig" = flashing tail lights are not permitted.
In the explanatory memorandum you find the reason for this ban - car drivers would not be able to judge the distance to a bicycle with flashing tail light in the dark.
I'm not kidding. Everywhere else in the world flashing tail lights are allowed. IMHO they're WAY SAFER that steady tail lights (the intensity is regulated in Germany as well).
German car drivers seem to be from a different breed than in the rest of the world.
I'm a lawyer by profession.
Did I say laws can be dumb stupid?
To be honest I'm surpriesed the Chinese vendors do not give a shit about it.
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I got my first varia radar in germany, very annoyed it couldnt have flashing light, that affected the battery life so +5 hour rides were a problem, getting home without battery was very dissapointing.
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gplama reports that this one is crap too. Likely shares hardware with the Thinkrider PP5 - the firmware numbers are the same (and updates were released at the same time, again to the same firmware version), and the issues are the same. Another one to avoid.
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gplama reports that this one is crap too. Likely shares hardware with the Thinkrider PP5 - the firmware numbers are the same (and updates were released at the same time, again to the same firmware version), and the issues are the same. Another one to avoid.
Quelle surprise! Glad I cancelled my order ;D
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https://www.youtube.com/watch?v=GteMRhTftNA
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Coospo releasing a new revision already? I'll try to find out more details....
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Looking at the issues with CooSpo and the restrictions in some regions, in my opinion, the Magene https://it.aliexpress.com/item/1005004540845201.html (https://s.click.aliexpress.com/e/_c3Dzca6n) remains the only real solid alternative to the Garmin Varia right now.
It’s widely available, the radar detection is almost on par with Garmin, and it actually allows for a lot of customization via the app (brake light settings, patterns, etc.) which is where CooSpo seems to struggle. Plus, it's significantly cheaper than a Varia RTL515 without feeling like a 'beta-test' product.
Has anyone here compared the L508 side-by-side with the new CooSpo radar in terms of false negatives?
No false negatives on my Coospo Radar
Only few false positive of cars in opposite direction
Even detected a motorcycle this afternoon
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Looking at the issues with CooSpo and the restrictions in some regions, in my opinion, the Magene https://it.aliexpress.com/item/1005004540845201.html (https://s.click.aliexpress.com/e/_c3Dzca6n) remains the only real solid alternative to the Garmin Varia right now.
It’s widely available, the radar detection is almost on par with Garmin, and it actually allows for a lot of customization via the app (brake light settings, patterns, etc.) which is where CooSpo seems to struggle. Plus, it's significantly cheaper than a Varia RTL515 without feeling like a 'beta-test' product.
Has anyone here compared the L508 side-by-side with the new CooSpo radar in terms of false negatives?
Only solid alternative to Garmin varia is igpsport Sr mini. I have both magene and igpsport and Sr mini is way better
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Only solid alternative to Garmin varia is igpsport Sr mini. I have both magene and igpsport and Sr mini is way better
I believe @GPLama suggests the Sigma and Lezyne radar units as solid alternatives.
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I believe @GPLama suggests the Sigma and Lezyne radar units as solid alternatives.
It's chinertown so I wrote about Chinese options. I'm sure if he tests igpsport Sr mini he will like it. It's better then magene, and magene wasn't that bad in his tests.
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Looking at the issues with CooSpo and the restrictions in some regions, in my opinion, the Magene https://it.aliexpress.com/item/1005004540845201.html (https://s.click.aliexpress.com/e/_c3Dzca6n) remains the only real solid alternative to the Garmin Varia right now.
It’s widely available, the radar detection is almost on par with Garmin, and it actually allows for a lot of customization via the app (brake light settings, patterns, etc.) which is where CooSpo seems to struggle. Plus, it's significantly cheaper than a Varia RTL515 without feeling like a 'beta-test' product.
Has anyone here compared the L508 side-by-side with the new CooSpo radar in terms of false negatives?
SR Mini absolutely clears the magene l508. no contest
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SR Mini absolutely clears the magene l508. no contest
unconditional agree -
Magene: 2-5 false positives per hour, about 100m-120m effective distance
iGPSports sr-mini: i can only remember 5 total false positives or so (tunnel, metal-bridge), range is beyond display range of Wahoo Elemnt bolt v2 - means, the dot of the car is not visible on first detection.
As they are priced the same, IMO iGPSport SR-Mini clears the floor with Magene, as it is better looking IMO, lighter, better detection range, FAR FAR few false positives.
only downside, compared to gplamas reviews of Varia radar i guess is the stationary detection, like a car, bike is hovering behind you, sr-mini will clear it, as every other radar besides the Varia Vue.
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Updated S11 model available on Taobao:
https://e.tb.cn/h.RJytrLh3RXsGHDI?tk=2AI9g6EyG2t
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Updated S11 model available on Taobao:
https://e.tb.cn/h.RJytrLh3RXsGHDI?tk=2AI9g6EyG2t
According to my contact at Coospo, that is only a slight optical variant for chinese market of the S10 and uses same internal PM. There will be a new release that is not announced yet.
According to my latest info, the data problems on this model is also partially due to the Easton interface + this particular model, so they might switch 8b or Shimano in the future.
Also testing the S10 with carbon crankset at the moment against the Assioma Duo. The newest firmware version is 1.8.5 on Coospo Tools, doing a update is very much required, because my first ride on stock 1.3.0 was ... all over the place.