SHIMANO ULTEGRA Di2 Rear derailleur SHIMANO SHADOW RD 2x12-speed

RD-R8150 NEW

ultegra_r8100

RD-R8150 NEW

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 sprockets.

  • Our 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

TECHNOLOGIES

PRODUCT SPECIFICATIONS

MODEL NO RD-R8150
SERIES ULTEGRA R8100 Series
Color Series color
Average weight 262
   
Remarks w/o Bracket spec. available
Firmware update by E-TUBE PROJECT
Total capacity 39T
Charging port (pcs) 1
B-axle_Hollow axle
B-axle 2_Hollow axle
Mount_Direct mount compatible
Fluoric coated link bushings 4
Low sprocket_Max. 34T
Low sprocket_Min. 28T
Max. front difference 16T
Pulley_G pulley bearing
Pulley_Sunken type pulley bolt
Pulley_Teeth 11
Pulley_T pulley bearing
Top-normal spring type_SHIMANO SHADOW RD
Top sprocket_Max. 14T
Top sprocket_Min. 11T
Rear speeds 12
Di2 connectivity wired_Di2 shifting
Di2 connectivity wireless_ANT private (*2)_Adjust mode information
Di2 connectivity wireless_ANT private (*2)_Di2 battery level
Di2 connectivity wireless_ANT private (*2)_Gear position
Di2 connectivity wireless_ANT private (*2)_SHIMANO STEPS data items (*3)
Di2 connectivity wireless_Bluetooth® LE custom (*1)_Adjust mode information
Di2 connectivity wireless_Bluetooth® LE custom (*1)_Compatible with E-TUBE PROJECT
Di2 connectivity wireless_Bluetooth® LE custom (*1)_Compatible with E-TUBE RIDE
Di2 connectivity wireless_Bluetooth® LE custom (*1)_Di2 battery level
Di2 connectivity wireless_Bluetooth® LE custom (*1)_Gear position
Di2 connectivity wireless_Bluetooth® LE custom (*1)_SHIMANO STEPS data items (*3)
Di2 connectivity wireless_Di2 shifting
LED for system status
SD300 connector (pcs) 0
SD300 port (pcs) 1
SD50 connector (pcs) 0
SD50 port (pcs) 0

SERIES LINE-UP

  • Crankset SHIMANO ULTEGRA HOLLOWTECH II Crankset 2x12-speed
  • Brake SHIMANO ULTEGRA Dual-Pivot Brake Caliper
  • Brake SHIMANO ULTEGRA Direct Mount Front Brake Caliper
  • Brake SHIMANO ULTEGRA Rear Seat Stay Mount Rear Brake Caliper