The Lezyne Hecto XL/Micro XL/Mini XL Bung USB Cover is a rear rubber press-in cap, covering the USB plug.Lezyne Hecto XL/Micro XL/Mini XL Bung USB Cover CompatibilityHecto 300 / 350 / 400 / 500XL.Micro 400 / 450 / 500 / 600XL.Mini 300 / 400XL.
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