What kind of clutch mechanism comes in the Apex mechanical rear derailleur? The Apex mechanical rear derailleur uses aspring clutch, similar to Rival XPLR and someEagle rear derailleurs. Related articles Are 12-speed Apex mechanical shift levers compatible with Eagle mechanical rear derailleurs? Do the Apex XPLR rear derailleurs have a clutch mechanism? My SRAM road brakes have a contact point too close to the bar what can I do about it? How do I set up my SRAM Eagle rear derailleur correctly? Is the new wider gearing option Force eTap AXS 43/30 crankset compatible with Trek’s BB90 bottom bracket standard?