I am a cross country MTB rider, relatively new to indoor training, using a wahoo kickr with a flat bar roadie, all rides using ERG mode.
I have completed the Sweet Spot base plans (2x 6 weeks), both at mid volume. My FTP at the start was calculated at 190 through a ramp test. The ramp test at the start of the second 6-week block resulted in an FTP improvement to 208.
I have just started the Short Power Build plan, mid volume, and the initial ramp test is showing my FTP at 228.
Sidenote: I have stuck to the training plans fairly religiously, usually switching the longer weekend rides for outdoor MTB trail rides. My MTB does not have a power meter, but I am certainly feeling stronger.
The first “real” ride of the current plan Pierce-4 was last night. I managed to complete the ride, maintaining a cadence of between 88 and 95 throughout all segments. My legs were fatigued at the end of the ride, but I am absolutely fine this morning. At no point during the ride did my heart rate go above 140. When I ride on the trails, my avg heartrate is generally around 140.
My indoor riding experience feels so different to outdoors. Whilst I definitely feel stronger/fitter on the trails, I am concerned that something may not be set up correctly. Is my FTP too low? Although my FTP was is set at 228, I was able to make it up to the 311w level during the ramp test.
I’d appreciate whatever advice you can give