Fiend Mills Top Load StemLewis Mills signature Fiend Stem boasts a real clean profile with machining that reduces weight without sacrificing strength at all. Built from CNC machined 6061 T6 aluminium ensuring the Mills Stem is one of the toughest, with plenty of external machining keeping the weight as low as possible. A recessed compression bolt area allows the top cap to sit flush for a clean look. Fiend have increased the width at the front and removed all internal