Think yours is imperial unit meaning in inches 7/16". (11.11mm)Hardware store sells Metric Allen key set in RED & Imperial Allen key set in YELLOW.
check for park tool. HR-11
Yeah i know park tool has them.but i need to know Where i can find 11mm or 12mm allen keys.its so hard to find a hardware shop nowadays, even harder to find one that has 11mm hex keys available.
I believe you can check with hardware shops in industrial park, not just in residential estates.
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