Profile Design Threadless Size Converter (1" - 1 1/8")
Brand: Profile Designs

Profile Design Conversion has a polished silver finish. Features: For installing threadless stems on a threaded fork Approximately 25mm rise increase possible if used with spacers Polished silver finish Quill Insertion Diameter: 25.4mm for 1 1/8" stems and 22.2 for 1" stems Steerer Clamp OD 25.4mm, for 1", 28.6mm fir 1-1/8

Converts all quill style forks to use threadless stems
Converts 1 inch to 1-1/8" threadless
Weight: 0.8 ounce