NEW OEM BIG DOG STANDARD 1" NECK STEM WITH 1" THREADS INTO THE TOP TREE. MEASURES 9" LONG INCLUDING THREADS. THESE WERE USED ON MOST 2004 & EARLIER BIG DOG MODELS WITH 1" THREADS THAT GOES INTO THE TOP TREE.
************** THE 2005-11 BIG DOGS USED SMALLER 7/8" THREADS INTO THE TRIPLE TREES. DOUBLE CHECK YOURS BEFORE BUYING!!!!!!!