Project Squirrel

[Roboteernat]

Check out the last link, i think this will do what you need...

potentially something like the smaller one will assist, but may need to grind down the ends a bit to get the 'fingers' to sit under the pulley...

https://www.bearingboys.co.uk/Kukko-...er-Set-23561-p

And Bearing boys have their 20% off now too? - checking this...


code "BEARINGS20"


Simply Bearings link:
https://simplybearings.co.uk/shop/p7...duct_info.html


Ebay:

http://www.ebay.co.uk/itm/3-Piece-3-...IAAOSwWE9ZiySR

Potentially this could do it too and only £3...
https://www.ebay.co.uk/itm/Two-Jaws-...0AAOSwahlajm8s