I fitted an ESGE rear kickstand using an old inner tube as a sheath to my new Raven Tour that I bought in 2005. I was blissfully unaware of any possible warranty void by fitting it. It worked without any problem at all and when I sold the bike last year (with stand), there was no indication of rust or malforming of the chainstay.
I bought a Pletscher centre stand for my Raven Sport and fitted it using a purpose made plastic protector where the stand fits under the frame and using an old inner tube for the clamp at the top. It was no where near as stable and effective as the rear mount but did look better than the rear mount. After removing the stand, I have found no blistering of paint or indentation of the frame.
I have now ordered the Pletscher multi zoom rear stand and am more than confident it will do what I expect of it. Travelling through France this year, it seemed to be the preferred choice of touring cyclists and on one occasion I saw a stand mounted at the front working in conjunction with rear stand.
As regards "lifetime warranty", it would seem this implies to the lifetime of the product whilst still on sale by the manufacturer - so if Thorn stop making the Raven Tour Sport - as they have done, admittedly still selling the frames only - does this mean the "lifetime warranty" is now void for Raven Tour Sports?
My understanding is that "lifetime warranty" guarantees repair of the faulty product whereas "lifetime guarantee" implies replacement of the faulty product. Not being a specialized bike mechanic and only a humble plumber, I fail to see how a rear stand - fitted correctly and with care and caution - can possibly challenge the integrity of a steel framed cycle. How does the 2nd owner without the prior knowledge of a rear stand having been fitted approach Thorn with a claim for a defective frame.
Imagine the logistics involved. Photgraphs sent - bike sent - frame sent - previous owner now deceased - claim and then rejection - does the warranty apply to original owner only? Personally, I would concede that the Clickstick will take more load than the rear stand, but for my loads now of only 25kg max, the rear Pletscher rear multi zoom is the choice - even just for convenience alone. I would think that most of us would want to lock our cycles to something when we left them unattended, agreed? With rear stand, that is attached to the cycle and does not look a source of attraction to the smart arse passing by. On the other hand, the Clickstick is just begging to be kicked away to see the cycle fall over by the aforementioned smart arse - now elevated to the rank of pratt!
You pays your money, you takes your choice but I do agree with part of Andre's rant that it would eliminate all doubt and conjecture if Thorn welded / brazed on purpose made brackets to fitted with a rear stand of their testing and choice. Hells bells, they recommend, specify and fit other manufacturers components to their bikes, so why not a stand?
Affectionately yours
Hoot