They are blatant copies of Pivot Pegz made in China.

http://www.ebay.co.uk/itm/AD-PIVOT-FOOT-PEGS-For-YAMAHA-SUPER-TENERE-750-XT-XTR-XTZ-660R-660X-660Z-/151431713024?pt=UK_Motorcycle_Parts_13&hash=item23 42089100

They may well be all right; a lot of Chinese stuff is these days. They're the sort of thing I'd like someone else to try first before committing, which I guess is what keithy2 is thinking/hoping!

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