NEW Shimano Dura-Ace RD-R9250D Di2 Rear Derailleur - 12-Speed, Medium Cage, Includes TL-EW300, Black brand_box Class 5 Vibration Reduction System

Class 5 Vibration Reduction System (VRS) reduces fatigue caused by micro-impacts

Full-length YKK zipper with Pactimo pull-tab

Wheelset: Giant PX2

ZN40-Series bearings are corrosion-resistant zinc-coated

Thin Line style compact padding borrowed from the Silverado compliments subtle curves and a melange of popular features from several of our saddles

NEW Shimano Dura-Ace RD-R9250D Di2 Rear Derailleur - 12-Speed, Medium Cage, Includes TL-EW300, Black brand_box Class 5 Vibration Reduction SystemThe Shimano Dura Ace RD R9250 rear derailleur integrates the system charging port and a wireless connectivity unit all while delivering super fast, precise shifting worthy of any podium. A single cage length shifts cassettes from 11 28 to 11 34, offering exceptional versatility. Ultra fast rear Di2 shifting Compact design includes an integrated wireless unit, charger, switch Wider range capacity Max. low sprocket: 34t CFRP rear derailleur plate LED