Are you looking for a mount that holds your smartphone securely and within reach during bumpy trail rides? Rugged Ridge has the solution for you! This easily attachable phone mount works with both Rugged Ridge Dash Multi Mount Systems (13551.11 and 13551.12) and fits all 17mm ball mounts.. This phone mount from Rugged Ridge fits the 17mm ball on the 13551.11 Dash Multi-Mount System.