Product code: Tien Hsin Headset from a GT Vertigo ST (Rotor outlet Compatible) 1”
Here's a nice survivor condition headset from a 1988 GT Vertigo ST in original chrome finish. This headset is designed to work with a Rotor detangler system. It for a 1 inch head tube.  Original bearing rings are in good shape. Item may have some grease and dirt. Please review high res photos. Will be shipped properly padded in outlet a small bubble mailer.
Here's a nice survivor condition headset from a 1988 GT Vertigo ST in original chrome finish. This headset is designed to work with a Rotor detangler system. It for a 1 inch head tube.  Original bearing rings are in good shape. Item may have some grease and dirt. Please review high res photos. Will be shipped properly padded in outlet a small bubble mailer.