Profile Design Threadless Conversion: 25.4mm (1-1/8" fork) to 28.6mm (1- 1/8" threadless stem)

Conversion is designed for installing threadless stems on a threaded fork.

Steerer Clamp OD 25.4mm, for 1", 28.6mm for 1-1/8
Approximately 25mm rise increase possible if used with spacers