Titanium Boone Titanium Cog Earrings Anodizing (Refer to Final Image):85V (Electric Blue) lifting the crank off the

lifting the crank off the spindle

Made from brushed titanium

check out our custom anodized cog listing here

They are about the size of a US dime

use this method to determine spacer widths:

Titanium Boone Titanium Cog Earrings Anodizing (Refer to Final Image):85V (Electric Blue) lifting the crank off theThese are the original cog earrings from 20 years back crafted from aerospace grade titanium. These are the patented cogs that started the company. They are so lightweight that they don't even register on all but the most sensitive scales. Hypoallergenic and very cool. They are about the size of a US dime. We offer the option to anodize them colors.