Hi guys, I got the Flexible Couplings recommended by Mekanik. They do the job but the outer diameter (18mm) on these is quite a bit thinner than the original (25mm).

Also, within a week, a second of the original FC's sheared of in the same way!

I had a bit of trouble getting these new FC's to fit so I sanded the inside with 600 until it fit nicely. Well it is now making a nasty creaking sound when I run it so I expect it to break fairly soon.

So, In preparation for this I am on the market for some high quality Flexible Couplings, preferably Oldham as these seem to be the type that would take most abuse.

I'd imagine steel to be less likely to break than the Aluminium ones I am currently using.

I have found these (very expensive) Oldham FC's on eBay but there must be something less pricey in the UK!

Another issue I keep running into is that they seem to come without the Polyacetal Spacer thingy in the middle!

Am I missing something or why would one ever want these without the spacer?! Madness! Lol.

If someone could suggest a place to buy these in the UK I would be very grateful!

Cheers guys Kevin.