Well, looking at TA's Web site, it looks as though perhaps this would work:
Crank: Vega Double (5 branch), 175mm
Chainrings: 48 tooth outer (94mm outer bolt circle); 30 tooth inner (58mm inner bolt circle)
But ... I must admit that I am not sure I am reading their charts right.
http://www.specialites-ta.com/produits/ped_vega_gb.htm