View Single Post
Old 01-05-21, 02:28 PM
Senior Member
spelger's Avatar
Join Date: Jul 2015
Location: reno, nv
Posts: 714

Bikes: yes, i have one

Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 342 Post(s)
Liked 266 Times in 152 Posts
Originally Posted by genejockey View Post
I'd assume it's measuring power output and yes, using an algorithm that calculates what your speed on the road would be for that power output, given your mass, the virtual slope, and estimated wind and rolling resistance. In Erg mode your wheel speed is meaningless because you could theoretically be spinning 39x30 or 53x11 at the same cadence and putting out the same power, but on the actual road you might be going 9 mph with one and 34 in the other.
that does not seem right to me. i will be riding tonight and will be sure to test that since it is pretty easy to do.
spelger is offline