Chrome buffalo riser set is forged aluminum and has a 1.10" post diameter. Stems can only be used with a stock top clamp or a billet cap clamp. Use 1/2"-13 mounting bolts, sold separately.
V-Twin Manufacturing 1986-Up FXR Chrome Offset Riser - Set
Chrome 1-1/2" offset riser stem set. The rise on the is 1-1/8". This offset riser attaches to the top tree using a 1/2" bolt. Order top clamp and screws separately.