For those needing an external seat clamp, our PURE Clamp is everything you could need. Forged from 6061-T6 alloy for extra strength, this minmal, lightwight but incrdibly strong clamp does the job with no quetsions asked.
6061-T6 alloy, forged and CNC machined
28.6mm inner diameter
Slim, low-profile seat clamp
6mm allen bolt