Originally Posted by
Bob Dopolina
Aren't the strain gauges on the SRM on the crank side? Isn't that one side?
If you are measuring the torsion on the axle then don't both legs apply torque to the BB axle?
Am I misunderstanding something?
SRMs really measure torque in the chain. Both legs contribute to that. Ergomos only measure torque from the left side and assume that total torque is twice that.