The 4500 is a fully machined aluminum reel and spool that has all the great features of the 4500 CF but has an aluminum spool. It has all the drag features of the 4500. You have a choice of and extra spool in Carbon Fiber as well. So buy the fully aluminum reel and add Carbon Fiber spools.
The sophisticated, high-performance 3:1 geared graphite drag unit provides the kind of power and smoothness you’d expect from a large traditional drag system, only without the bulk or weight. It’s also completely sealed from the elements and features a one-revolution adjustment knob for quick and accurate drag settings