NEW Shimano Ultegra RD-R8150 Di2 Rear Derailleur - 12-Speed benno-acc-boost-evo4 It works with all commercially

It works with all commercially available MTB and E-MTB drivetrains from Shimano to Box to Sunrace

but the transcendental meditation achieved under hellish duress is particularly potent

Range: 12-36

long service life

Improved aerodynamics for time trial and triathlon

NEW Shimano Ultegra RD-R8150 Di2 Rear Derailleur - 12-Speed benno-acc-boost-evo4 It works with all commerciallyWith 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.