There's x2 versions of the ControlTech externders, no? One for road dia. bars and the other for mtn. They use an expanding wedge clamp (like bar-end shifters/brake levers) so don't see why they're couldn't account for a little variation on wall thickness.
There's x2 versions of the ControlTech externders, no? One for road dia. bars and the other for mtn. They use an expanding wedge clamp (like bar-end shifters/brake levers) so don't see why they're couldn't account for a little variation on wall thickness.