The Cannodale alloy cages are quite nice (40g ish), strong an don't (unduly) mark bottles. That said I would keep an eye out for second hand King Ti- I got a pair for £50 delivered from this forum.
Cannondale do a few, is it these that you've used?http://www.cannondalespares.com/Cannondale-GT40-Alu-Bottle-Cage/product_detail/3-39901
@miro_o started
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Cannondale do a few, is it these that you've used?http://www.cannondalespares.com/Cannondale-GT40-Alu-Bottle-Cage/product_detail/3-39901