Electromechanical derailleur for coaxial assembly

A method for adjusting a bicycle drive including a rear derailleur, a multi-chain wheel assembly, a front chainring and a chain, wherein the rear derailleur is adjusted relative to the multi-chain wheel assembly, the method comprising:

• determining a bicycle category;
• depending on the bicycle category, determining a chain length;
• depending on the bicycle category, shifting to a reference sprocket, such that the chain engages with the reference sprocket;
• depending on the bicycle category, positioning at least one blocking device at an active setting by adjusting the at least one blocking device to a first locked position for a first bicycle category or a second locked position for a second bicycle category that is different from said first bicycle category;
• and rotating the rear derailleur rearward about a rear wheel axle until an ideal chain tension is achieved;
• wherein the at least one blocking device locks a chain guide assembly of the rear derailleur at a first angular orientation relative to a movable element of a rear derailleur, when the at least one blocking device is in the first locked position;
• and
• wherein the at least one blocking device locks the chain guide assembly at a second angular orientation relative to the movable element, when the at least one blocking device is in the second locked position.