Bicycle bottle cage bosses (near universal) screw size

Bicycle bottle cage bosses (near universal) uses M5 screws. Details, length ranges and sources below.

M512-18mm (16mm most common)confirmed

M5x0.8 braze-ons on down tube and seat tube

pitch 0.8 mm · tap 4.2 mm · clearance 5.5 mm · PH2 / Torx T25

Replacement screws for Bicycle bottle cage bosses (near universal)

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