Ultegra RD-R8150 Di2 12-SPD – 34T Rear Derailleur

The Shimano Ultegra R8150 Di2 12 Speed Rear Derailleur is engineered to ensure fast and smooth 12-Speed gear shifting for competitive racing and demanding conditions.

Fastest ever rear shifting, 58% faster than RD-R9150
Compact design includes an integrated wireless unit, charger, and switch
LED status indicator
Battery indicator
Pairing
Adjust mode, etc.
Wider range capacity
Max. low sprocket: 34T
Speeds: 12-Speed
Weight: 262g
Product Data
Rear Derailleur: Shimano Ultegra Di2
Speed: 12 Speed
Time Trial: Yes
Road: Yes

• Model Type:
  Ultegra R8150
• Brand:
  Shimano