NEW Shimano Ultegra RD-R8150 Di2 Rear Derailleur - 12-Speed benno-acc-boost-evo4 Range: 12-36

Range: 12-36

Improved aerodynamics for time trial and triathlon

Rear Shifter: SRAM Rival eTap AXS HRD Shift/Brake Lever and Hydraulic Disc Caliper - Right/Rear

flexible fabric added to casing for enhanced puncture protection

Cross cleat compatibility: use the Easy Tension Cleat (sold separately) for less resistance when unclipping

NEW Shimano Ultegra RD-R8150 Di2 Rear Derailleur - 12-Speed benno-acc-boost-evo4 Range: 12-36With 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.