I have a set of Grivel G12 classic strap on crampons with very little use in good condition. I would like to trade for a pair of lightweight strap on aluminum crampons like the Grivel Air Tech Light.

Anyone looking to upgrade to steel crampons that has a pair of Aluminum ones?
What I have:
www.moosejaw.com/moosejaw/shop/product_Grivel-G12-New-Classi>>>

What I want (or comparable):
www.moosejaw.com/moosejaw/shop/product_Grivel-Air-Tech-Light>>>