The IRD Defiant crank is a replica of a Campagnolo Nuevo Record crank.  This crank is has a nicely polished finished and will look great on any vintage or pseudo vintage bike.  It comes with a 46t 144bcd 1/8" chainring.  Great for 1 by road or commuter bikes as well as fixed gears.

uses a 110 JIS taper BB
165, 167.5, and 170 length