Dotbike have them in gumwall http://www.dotbike.com/ProductsP2830.aspx?A=8 but ChainReaction are cheaper: http://www.chainreactioncycles.com/Models.aspx?ModelID=20416
@AlexB started
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Dotbike have them in gumwall http://www.dotbike.com/ProductsP2830.aspx?A=8
but ChainReaction are cheaper: http://www.chainreactioncycles.com/Models.aspx?ModelID=20416