Looks to me like something such as the Hozan lockring spanner would get that BB lockring off (http://www.hubjub.co.uk/etc/etc.htm) and would double up to tighten the lockring on the fixed hub you'll be buying shortly...
@Cupcakes started
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Looks to me like something such as the Hozan lockring spanner would get that BB lockring off (http://www.hubjub.co.uk/etc/etc.htm) and would double up to tighten the lockring on the fixed hub you'll be buying shortly...