Power Meters / Powermeters (SRM, Powertap, Quarq, Ergomo, Vector, Stages, power2max, P2M, 4iii, InPower, Cinch)

If you want to keep spidey then pedal or arm based PMs are the way, obvs.

I wouldn't expect a 'dale compatible PM to be cheap because they aren't exactly going to ship them in volume.

I have a 'dale SRM I don't need any more if you are on the look out.