gramLIGHTS launches two limited edition models: 57C6 UnlimitEdition and 57JVUnlimit Edition. The UNLIMIT EDITION has a diamond-cut rim edge and RAYS logo machined on the spokes by our patented technology A.M.T. and is vividly colored yellow by E-pro Coating. The 57C6 is available in smaller sizes in P.C.D. 4-100