Bolt Cover titanium If you wanted to be

If you wanted to be 2mm more inboard in this example

Official Boone single speed cogs machined to order out of aerospace grade titanium here at our shop in Kennesaw

2mm from bottom flange to tallest point

hypoallergenic

Bolt Cover titanium If you wanted to beThe bolt cover is used as a crank extractor for the Radius Cranks. When it is tightened in place with the aluminum hex wrench piece, the crank bolt with its 8mm hex can be reached through the larger hole in the bolt cover. The bolt is backed out and it acts as a jackscrew, lifting the crank off the spindle. The bolt cover has a Delrin washer in the back to facilitate the bolt removal. These are possible to come loose with very vibration prone riding,