"Hi speedster, I would agree with Geordie Travels point that it most often comes down to personal circumstances. For some people a replacement is necessary due to a change in circumstances, but for others it's because they want the newest in…"
"Hi Speedster! For me personally it depends from chair to chair. I’ve had chairs that have still been good to use after 10 years. As long as you keep your chair maintained well, it’ll last a fairly long time. Your personal circumstances…"