OG Riser Top Clamp / Thrashin OG Risers, 1/4-20 Gauge Holes

Choose Black or Chrome For customers who have already purchased OG handlebar risers from Thrashin Supply Updated top clamp features 1/4-20 drilled and tapped holes on its underside Hardware not included Made in U.S.A. Not required for newer Thrashin Supply risers with top clamps that are already drilled with the 1/4-20 holes on the underside.