Ultegra R8100 Rear Derailleur (RD-R8150)

Shimano Ultegra Di2 12-speed rear derailleur with semi-wireless shifting, Shadow RD+ design, 39T total capacity, and integrated D-FLY connectivity.

Details

Type: rear_derailleurs
Discipline: road
Price: $470
Weight: 262g
SKU: RD-R8150
Product URL: https://bike.shimano.com/en-US/product/component/ultegra-r8100/RD-R8150.html
Availability: —

Specs

Speeds: 12
Actuation: electronic
Subcategory: —
Power meter: —
Power meter type: —
Model line: Ultegra
Generation: R8100

Full specs (JSON)

Total capacity: 39T
Max low sprocket: 34T
Min low sprocket: 28T
Cage type: one-spec
Shifting speed: 58% faster than R9150
Design: Shadow RD+
Wireless: semi-wireless