Tried Zwift for the first time yesterday, so am very much new to this whole thing! I’ve been searching online to try to find an answer to this question, but without any joy, so was hoping someone here could help please?
I’m currently using my cyclocross bike on a “classic” trainer (Tacx Booster), with Garmin cadence and speed sensors, and HRM. My issue is to do with the tyre size - because I’m on a cyclocross bike, my tyres are a fair bit wider than the Zwift recommendation of “700c x 23mm”, and I’m using 35c tyres (in fact the minimum recommended tyre size on my rims is 25c). I also can’t inflate the trainer tyre to Zwift’s recommended 100psi, as the max stamped on the tyre is 75psi.
So, my questions are:
- How is this tyre size/pressure likely to be affecting my ride on Zwift? When I tried it yesterday my speed and power seemed particularly high, so I’m wondering if this is the cause, or there’s something else I could be doing wrong?; and
- If I changed to a smart trainer (e.g. Tacx Vortex), would the wider tyre / lower psi still be an issue, or is this only a problem related to using zPower (which a smart trainer would presumably eliminate?)
Many thanks in advance! Sorry if the questions seem daft, as I said I’m very new to all of this!