No I haven't tried these. Yes, you asked for an opinion so you're gonna get it!
First a couple questions for you.....
1) What deficiencies are you concerned about with the OEM shocks?
2) If you are concerned about deficiencies, how do you expect those Hagon shocks to solve the issue?
Now, keep in mind I have only read the MFGR blurb on these Hagon shocks....
First concern...
they are CHEAP....as in low cost! I would be concerned as to the quality of a shock which is offered at such a budget price. Typical aftermarket shocks from a "name" brand and of good reputation will cost almost an order of magnitude more $$$ ($600 to $1200 +)
Next concern...
They only have 3 pre-load positions....usually for aftermarket shocks, we look for infinite pre-load adjustment in order to get the sag numbers correct and precise..
Next concern...
They come with a "standard" spring rate (I think...may be wrong)....usually aftermarket shocks offer a range of spring rates so you can choose the best, based on bike weight, riding style, rider weight etc.
Next concern...
the Hagon shocks are not length adjustable.....you will find that the RE is not symmetrical, and one shock needs to be slight longer than the other....or else you will have to compress one shock slightly in order to install the second shock....not a big issue
Next concern...
While they do say these shocks are "adjustable" damping.....they are really weird in that there is only one adjustment which changes both compression damping as well as rebound damping, at the same time!!.....this makes no sense to me. Rebound damping is pretty much determined "in the shop" and it "is what it is" and there is really no further adjustment after that. Compression damping is determined while riding "on the road" and can be adjusted for ride quality, and riding style and road conditions....
It is common to have the rebound set one way, and the compression set a different way.....combining them seems not-too-good an idea......You can get the rebound where you want it...but then the compression is what it is...no further compression setting possible...
Really the stock shocks are very, very good (IMHO) I would not change them without a very good reason to do so.
(yes, I changed mine.....my own reason is very questionable, and the fancy shocks I installed, feel remarkably just the same as the OEM shocks) I had issues with the front end....If you go messing with the front end, you do need adjustability in the rear to get things "matched" properly. If I hadn't change the forks, I would certainly not changed the rear shocks!
Do what you want...be happy!!
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Thinking of replacing stock rear suspension with the Hagon 2810 shocks from our forum sponsor (https://accessories.hitchcocksmotorcycles.com/40090?ref_page=Interceptor%20650).
Anyone tried these? Opinions welcomed.