Bicycle stem wedge - made for us by Dia-Compe as an upgrade to cast stem wedges.
Material: Aluminum alloy
* 21.1mm with M10 X 1.0 threaded - for most Asian made stems with a hollow quill bolt (known as a Potts Mod bolt)
NOTE: This is a fully ramped/angle wedge. They will not fit Tuf Neck or Pro Neck stems (which take a SAE threaded wedge and are stepped). Also will not fit Anlun Group One or ACS stems that take a stepped wedge.
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