Shimano Ultegra RD-R8150 Di2 2x12-Speed Rear Derailleur Brand_iGPSports 20 lm (flashing mode)

20 lm (flashing mode)

MODEL NO CS-R7101-12 SERIES SHIMANO 105 R7100 Di2 Series Average weight 361 Type HG

Edged shoulder studs for good grip and control in curves

ultra-tacky compound

Shimano Ultegra RD-R8150 Di2 2x12-Speed Rear Derailleur Brand_iGPSports 20 lm (flashing mode)SHIMANO ULTEGRA Di2 Rear derailleur SHIMANO SHADOW RD 2x12 speed RD R8150 Now simplified with a single derailleur cage length, the new 12 speed Shimano ULTEGRA R8150 rear derailleur packs our fastest, most precise shifting into a more approachable option. With our fastest, most accurate shifting, the new 12 speed ULTEGRA R8150 rear derailleur is more versatile than ever thanks to a single cage length option that is compatible with 28 34T low