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@BrickMan
CBA'd with turbo trainer anymore, the fiddling to adapt bike to it every time, the faff of alignment, the relentless bordem of it and the tyre wear O_o
So, for some reason in my mind, I think that a roller would be better? Its probably not, but its different, and different is erm, different, right!?
At work (small engineering works where we make many amazing and secret things), you can ride around the factory and pretend the steel stock room is a crowd at the edge of a velodrome.....
.....or, do something productive with that rejected piece of conveyor track.
Now, its about 2' wide (yes feet, because we are an engineering works, not some pouncy modern french place), and there are a whole bunch of rollers on ball bearings (most unfortunately seized).
The plan is to dissemble the whole thing, pick out 3 good rollers and build a roller machine.
Rear rollers will be fixed, front roller will be adjustable via a simple slot. Front roller will be driven by whatever I can find, probably a length of climbing accessory cord (nylon stuff as it can be sewn end to end pretty effectively for this purpose) which has a bit of stretch in it to allow adjustment between the different lengths required.
So far only snag is that I've only found ONE bearing (half a rollers worth) thats any good. I've got about a dozen soaking in plus gas overnight to see if I can revive them. If not doesn't matter too much, as each roller end cap (blue bits) has a bearing cast inside the plastic, but each bearing runs with a plastic bush inserted in it (like a shimano HTII BB shell bearing) which I could just tear out, and run the metal dowels (seen in photo) right onto inside of the seized bearing surface, yeah won't last forever, but its FREE!!!
Ideally I fancy building a roller ON A ROLLER, so you can get out of saddle and get aggressive without flying off the rollers into a pile of rusty/ sharp tools.
DIY Free-motion Rollers #2 - YouTube
Bit like what that fella has done
Anyway, will keep updated, shouldn't exactly take me long, theres not a whole lot to it!