I’ll keep it short. No matter how many spindowns I do, my gen 1 reads anywhere between 20 to 50 watts less than my 4iiii. Not even kidding you. I know the difference between when I’m pedalling 250w versus 200w!
Anyway so I gave up on it and use my 4iiii for all my training.
Here’s the weird part. Today I carry my Kickr to y apt complex gym and ride for an hour. It’s almost exact match to my 4iiii even when the power match isn’t on (I use my wahoo bolt to control the kickr level which reads kickr watts while TR is connected to my 4iiii so able to compare the 2 real time)
Only thing I can think of is that my apt is carpeted and the gym isn’t. Stupid as this may sound, could that be a reason???
I would so love to have a dependable trainer so I can use erg mode especially in later stages of TR training plans like sprints etc. but I just can’t rely on it…