According to bikerumor: "It also gets a elastomer damping system inside the pulley cage pivot to keep the chain from bouncing. Not exactly a clutch, but same idea. The wound spring that’s visible here is the tension spring."
@Fatbiker started
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According to bikerumor: "It also gets a elastomer damping system inside the pulley cage pivot to keep the chain from bouncing. Not exactly a clutch, but same idea. The wound spring that’s visible here is the tension spring."