Leeleeducati,
"I always thought that spline wasn't symmetrical for some reason?"
A freehub has one narrow spline tooth and, as a consequence, one wider space. This is to line up/index the cog's shift gates. But not necessary on the single speed cog you bought.
"I always thought that spline wasn't symmetrical for some reason?"
A freehub has one narrow spline tooth and, as a consequence, one wider space. This is to line up/index the cog's shift gates. But not necessary on the single speed cog you bought.