To truly understand what the Rotor System does it is sometimes necessary to visualise the process. Below is a simple simulator showing the effect of the Rotor Crank and how it effectively eliminates the 'dead spot' normally caused when both cranks reach absolute top and absolute bottom.

To evaluate the impact of the offset cranks under both the Road and MTB versions of the cranks, click on the link below:

Rotor Cranks RS4 Road Simulator

Rotor Cranks RS4 MTB Simulator

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