Shimano MT9 ETR Disc CL Scylence Front, Black | Bikeinn
XTR M9100 SCYLENCE Hub | Listen, can you hear the sound of your hub ticking? Not when you're on the new XTR. We made it nearly silent with our SCYLENCE technology so
Shimano patent shows silent ring drive hub internals that could be the next Dura-Ace - Bikerumor
Shimano FH-M9111 XTR 12-Speed Rear Hub at BikeTiresDirect