Normal stem caps just sit there.
The StemCAPtain adds style and function to your bike. Simply remove your existing 1″ or 1 1/8 ” threadless headset style stem cap and replace it with the CAPtain. It’s easy.

The StemCAPtain adds style and function to your bike. Simply remove your existing 1″ or 1 1/8 ” threadless headset style stem cap and replace it with the CAPtain. It’s easy.