The ebike motor drives the chainring directly, not the cranks. So in theory you could use a crank based powermeter on an e-bike. The difficulty will be finding powermeter cranks with the correct interface for the motor spindle. You will also need to be careful of clearance. Lots of ebike cranks are very close to the motor.
The ebike motor drives the chainring directly, not the cranks. So in theory you could use a crank based powermeter on an e-bike. The difficulty will be finding powermeter cranks with the correct interface for the motor spindle. You will also need to be careful of clearance. Lots of ebike cranks are very close to the motor.