Shimano Ultegra RD-R8150A Di2 Rear Derailleur - 12-Speed, Medium Cage, Includes TL-EW300, Black Microshift be sure to wipe the

be sure to wipe the excess from parts to minimize the attraction of dirt and grime

REINFORCED HEEL AND TOE SECTIONS

direct attachment

oversized bearings and a stiffer stem

or an 8-gram difference by weight per coating

Shimano Ultegra RD-R8150A Di2 Rear Derailleur - 12-Speed, Medium Cage, Includes TL-EW300, Black Microshift be sure to wipe theWith the fast and accurate Di2 shifting technology, the Shimano 12 speed Ultegra RD R8150 rear derailleur is extremely versatile thanks to a single cage length option compatible with 11 28, 11 30, and 11 34 cassettes. Compact design includes an integrated wireless unit, charger, switch Wider range capacity Max. low sprocket 34t LED status indicator Battery indicator, pairing, adjust mode etc. Largest Cog: 34 Rear Derailleur Mount Type: Shimano Rear