Joined: Jan 2010
Posts: 9,835
Likes: 1,816
From: Northern California
Bikes: Cheltenham-Pedersen racer, Boulder F/S Paris-Roubaix, Varsity racer, '52 Christophe, '62 Continental, '92 Merckx, '75 Limongi, '76 Presto, '72 Gitane SC, '71 Schwinn SS, etc.
Those crankarms are bent "backwards" from every other set of "bent" arms I've seen.
The theory I've concluded might be beneficial is lost here, since the arms won't flex into a longer length under increased load (which would in effect somewhat simulate the BioPace ring's behavior).