Originally Posted by
caloso
New riders tend to use too big of a gear and mash a slow cadence, which can be uncomfortable and put stress on the knees, so you'll see a lot of advice to increase cadence. Don't think that applies to you, you're not mashing at all, so if 89 rpm works for you, keep going.
You’re exactly right and was the mistake I made! Now try run cadence of 80/85 which feels soooooo much more comfortable and has reduced fatigue and increased my distances.