They are Velo Vice, I'm not sure what the model number is, 589 maybe?? They are not all the same age, some are 5 years old, at least one is a little older. They work decent, the adjuster can be a little hard to move but they close and lock nice and all have the rear wheel strap. I sent an email to you at the address in the PM you sent, may have gone to your junk mail. To my knowledge they will fit on Yakima round bars.