When I asked what the weight difference of the alloy and carbon frames is here was their response -
"I don't have that information just yet as I'm still waiting on production to get us official values. I've asked for them as soon as they arrive. I have been told that the weight savings from...
"The drive unit responds to the slightest touch of the pedal and the motor kicks in just as abruptly when you spin the cranks as it cuts off the support as soon as you stop applying pressure on the pedals. The Dyname 4.0 motor has virtually no hysteresis, which makes it feel completely different...