Okla. Stat. tit. 47, § 12-707
A bicycle or its rider may be equipped with lights or reflectors in addition to those required by the foregoing sections; provided, such lights or reflectors shall comply with the provisions and limitations of Article II of Chapter 12 of this title.
Laws 2003, SB 633, c. 411, § 80, eff. November 1, 2003; Amended by Laws 2005, HB 1246, c. 50, § 20, eff. November 1, 2005 (superseded document available).