Sorry, maybe I wasn't clear. I'm looking for one of these:

https://www.ebay.com/itm/00-01-Honda-RVT-1000-R-RC51-Helmet-Lock-Cable-Strap/162746637350?fits=Make%3AHonda&hash=item25e4749c26 :g:fT0AAOSwBjdaBKeH&vxp=mtr

That's not 20 bucks. Walmart does have an assortment of locks and cables, but not what I'm after.