The Kuryakyn by Kellermann Front Turn Signal Mounts are guaranteed to help separate your street Glide from the rest. Bolt on to the stock turn signal mounting brackets and add any Kuryakyn by Kellermann (or other aftermarket turn signals) for an entirely new look.; Designed for use with Kuryakyn by Kellermann micro S, or Rhombus S, and require the separate purchase of two (2) M8 x 20mm adapter studs 305-1686, sold separately Constructed from durable aluminum Bolts on the stock turn signal mounting brackets