Check sjs rims prav they have a few 40 holers, but they may be on the wider side so you might have to run 25 mm tyres minimum.
e.g http://www.sjscycles.co.uk/product-Sun-Sun-Rhyno-700c-Alloy-Rim--Silver-790.htm
may have to go 28 mm with these.
@TheBrick(Tommy) started
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Check sjs rims prav they have a few 40 holers, but they may be on the wider side so you might have to run 25 mm tyres minimum.
e.g http://www.sjscycles.co.uk/product-Sun-Sun-Rhyno-700c-Alloy-Rim--Silver-790.htm
may have to go 28 mm with these.