Joined: Jan 2012
Posts: 310
Likes: 2
From: Indianapolis, IN
Bikes: AR Cycles Randonneuse, Raleigh Competition, VeloOrange Piolet Prototype, LeJeune Townie, Motobecane Campeur, AR Cycles roadie, Rickert track, Cannondale SM 500, '55 Schwinn
I believe those are early gen 520 hubs as the later gen doesn't have mavic engraved in the rear hub.