Bicycle stem wedge - for Tuf Neck and Pro Neck stems
Material: 4130 chromoly steel
Finish: Black Oxide
Fork steer tube inner diameter size: 21.1mm
Threading: 3/8" x 16 threads per inch (this is coarse thread - some bolts Tuf Neck used were fine thread. This will only work with a SAE 3/8" coarse threaded bolt which is 16 threads per inch)
NOTE: This is a stepped wedge. It will NOT fit a fully ramped quill.
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