Crank Bolt Cap

Has your classic whip lost the crank caps?  Crank bolt slowly rusting and extractor threads corroding?  This pair of universal replacement crank bolt caps are simple, reliable, and cheap.  

Protect your crank set from rust and corrosion with these universal replacement crank bolt caps. Designed for classic and vintage bicycles, this durable pair shields exposed crank bolts from moisture and oxidation, preventing costly damage to extractor threads. Simple to install, built to last, and affordable—the essential maintenance part every square taper crank set needs. Keep your drivetrain protected and your bike looking sharp. 

Produced in the good 'ol U.S.A using additive manufacturing, so the least amount of material is used, and we only produce as many as we need.  This keeps prices low, and helps the environment.