Originally Posted by unworthy1

YOU can read that decal? Better eyes than I have...further research indicates that these MAY be Nervex Pro lugs that Motobecane (and therefore Astra) just reworked in this style as their "signature". Not 100% sure, but likely to be true. Next guess is that Moto would not have used these lugs on anything LESS than straight-guage 531, so... clean it up, fix it up and RIDE this puppy!