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Eddrick, the picture with the gears on it (that was on page 2) seems to have been replaced with one of a Cheetah.
I recollect the idler gear (that tamiya nut was also looking for) was separate...

After looking at that gear, I've got a mission for you - have a look at the idler gear in an Audi Quattro Rally - it looks awfully similar....
There's some strange things going on with pictures on here - after the last "substitution" I took your advice & started giving my pictures dedicated names, so why's it done it again?

The idler looks very similar indeed, maybe only slightly shorter.
Or possibly it just seems that way because I noticed it has four teeth more than a TA01.

Don't know about the image. Maybe this one slipped through before changing the file names. It's called "Picture001"...