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 incredibly strong clamp does the job with no quetsions asked.
Material 6061-T6 alloy, forged and CNC machined
Size 28.6mm inner diameter
Features Slim, low-profile seat clamp 6mm allen bolt