Originally Posted by
Brian Ratliff
I weigh about 180lbs. I can get up to about 300W in a 53/12 using 3.25 inch diameter rollers (cycleops aluminum rollers). I ride high endurance/low tempo (about 250-270W for me) in the 53/14 or 15 (depends how cold it is in the garage and what tires I am riding). 4.5 inch diameter is traditional and mostly for training form (suplesse); 3 inch might be a bit small; 3.25 to 3.5 is good balance between traditional and fitness oriented rollers.
In that case, would 4.5 be the better option? Kreitler seems to only make 4.5, 3.0, and 2.5 drums. I know that with the 4.5 option, I could always use the mag or fan add-on.