Big Port Antique Vintage Springer Forks Handlebar Riser Stud Bolt 1/2 UNC 13TPI

Thread Size in Riser End: 1/2 UNC 13TPI. These Riser studs are designed to work with the Big port. Thread size on fork end: To suit Big Port Antique Springer forks. Antique Springer. These studs will alloy you to fit our BP-HR products to the forks.