M:Part Threadless Stem Shim Adapter – N/A
M: Part Threadless Stem Shim Adapter is a split aluminium shim that fits over a 25. 4 mm (1 inch) steerer tube changing the outer dimension to 28. 6 mm (1-1/8 inch). This allows the use of a stem designed to fit 1-1/8 inch steerer tubes where greater choice is available. Black anodised finish with laser etched detail.