Hacker News Reader

All you really need to know is whether you’re keeping the pace up with your current resistance settings. The cadence sensor shows you that. A speed sensor wouldn’t be accurate unless you could also figure out resistance (requires a $500 power meter...).

The Schwinn bike (same hardware as Bowflex C6) has a power meter built in too, not just cadence, so it can calculate speed and works with apps like Zwift.

Putting a cadence sensor on a bike is not a hack. It is literally the task for which it is designed.

A cadence sensor and an ipad holder.

A cadence sensor, an ipad holder, _and_ a seat cover.

The leather pad IMO feels awful as well. Highly highly recommend getting the 550 dollar sunny with magnetic resistance if you want to do something like this