Joined: Apr 2010
Posts: 13,496
Likes: 938
From: Boston-ish, MA
Bikes: 72 Peugeot UO-8, 82 Peugeot TH8, 87 Bianchi Brava, 76? Masi Grand Criterium, 74 Motobecane Champion Team, 86 & 77 Gazelle champion mondial, 81? Grandis, 82? Tommasini, 83 Peugeot PF10
There is a Gipiemme-branded SX610 on ebay right now going for ~$94. It's not the same design as the Prestige-based derailleurs. The parallelogram is rotated up to be more or less horizontal so it looks like a slant-parallelogram, but it isn't slanted.
__________________
Real cyclists use toe clips.
With great bikes comes great responsibility.
jimmuller