I've got one you can have for free if you want it, but they are shit and you would be much better off with one of these:
http://www.wiggle.co.uk/deda-expander-bung/?lang=en&curr=GBP&dest=1&sku=5360422694&kpid=5360422694&utm_source=google&utm_term&utm_campaign=UK_PLA_Components&utm_medium=base&utm_content=mckv%7cskqYG5xAQ_dc%7cmcrid%7c67090789382%7cmkw%7c%7cmmt%7c%7cmrd%7c5360422694uk%7cmslid%7c%7c&mkwid=skqYG5xAQ_dc&pcrid=67090789382&prd=5360422694uk&pgrid=17507338382&ptaid=pla-121251636782
It's so pretty.
does it come in black?
@Borek started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
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I've got one you can have for free if you want it, but they are shit and you would be much better off with one of these:
http://www.wiggle.co.uk/deda-expander-bung/?lang=en&curr=GBP&dest=1&sku=5360422694&kpid=5360422694&utm_source=google&utm_term&utm_campaign=UK_PLA_Components&utm_medium=base&utm_content=mckv%7cskqYG5xAQ_dc%7cmcrid%7c67090789382%7cmkw%7c%7cmmt%7c%7cmrd%7c5360422694uk%7cmslid%7c%7c&mkwid=skqYG5xAQ_dc&pcrid=67090789382&prd=5360422694uk&pgrid=17507338382&ptaid=pla-121251636782