Shim turns 1 1/8" stem to fit 1" threadless steerer tubes. For use with Thomson stems only, this is the only shim specified by Thomson for use with their stems
Problem Solvers Steere Tube Shim. 25.4 to 22.2mm for cablehanger on 1" quill 28.6 to 25.4mm with 38mm height, adapts 1-1/8" threadless stem to 1" threadless steere
The Tranz-X Seatpost Shim Adjustable Model has two tapered sleeves that slide together to adapt posts to a range of seat tube diameters. Shim has two tapered sleeves that slide together to adapt posts to a range of seat tube diameters