Let's Make Robots!

Where to buy mini castor wheel?

I'm trying to find a mini castor wheel, I found this on ebay -> http://www.ebay.co.uk/itm/Robot-vehicle-Wheel-x-2-and-castor-x-1-Arduino-PIC-/270808707086?pt=LH_DefaultDomain_0&hash=item3f0d74f00e

But I only need the castor wheel, anyone know where I can find something like this?

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Hadn't thought about Polulu, and I didn't know lipoly.de. Thanks for the info.

The sparkfun stuff looks exactly what I need. Unfortunately I'm in the EU, Robosavvy has a lot of sparkfun stuff but not these wheels. Grrr...

Pololu has one distributor in Belgium but they don't stock the casters:


Perhaps you can ask them to order some for you.

Germany has a shop with the Pololu items you're interested in:


I don't know exactly what would suit you best as far as country of origin however. I recommend looking through the EU distributors for Pololu:


You could also use a nicely rounded drawer pull, or, hot glue a ping pong ball, or, ... . Take your pick.

You could also use a bolt with the head against the ground. Especially if you got a carriage bolt with a smooth head.