Shimano Rear Derailleur Ultegra RD-8150 12 Speed

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.

FEATURES

• 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
  • low sprocket: 34T

SPECIFICATIONS

• Color: Series color
• Average weight: 262
• Remarks: w/o Bracket spec. available
• Rear speeds: 12
• Top-normal spring type|Shimano SHADOW RD: Yes
• Mount|Direct attachment (Conventional): Yes
• Mount|Direct Mount: Yes
• Max. front difference: 16T
• Total capacity: 39T
• Low sprocket|Max.: 34T
• Low sprocket|Min.: 30T
• Top sprocket|Max.: 14T
• Top sprocket|Min.: 11T
• Fluoric coated link bushings: 4
• Pulley|G pulley bearing: Yes
• Pulley|T pulley bearing: Yes
• Pulley|Teeth: 11
• Pulley|Sunken type pulley bolt: Yes
• B-axle|Hollow axle: Yes
• B-axle 2|Hollow axle: Yes
• Di2 connectivity wired|Di2 shifting: Yes
• Di2 connectivity wireless|Di2 shifting: Yes
• Di2 connectivity wireless|Bluetooth® LE custom (*1)|Adjust mode information: Yes
• Di2 connectivity wireless|Bluetooth® LE custom (*1)|Di2 battery level: Yes
• Di2 connectivity wireless|Bluetooth® LE custom (*1)|Gear position: Yes
• Di2 connectivity wireless|Bluetooth® LE custom (*1)|SHIMANO STEPS data items (*3): Yes
• Di2 connectivity wireless|Bluetooth® LE custom (*1)|Compatible with E-TUBE RIDE: Yes
• Di2 connectivity wireless|Bluetooth® LE custom (*1)|Compatible with E-TUBE PROJECT: Yes
• Di2 connectivity wireless|ANT private (*2)|Adjust mode information: Yes
• Di2 connectivity wireless|ANT private (*2)|Di2 battery level: Yes
• Di2 connectivity wireless|ANT private (*2)|Gear position: Yes
• Di2 connectivity wireless|ANT private (*2)|SHIMANO STEPS data items (*3): Yes
• Firmware update by E-TUBE PROJECT: Yes
• SD50 port (pcs): 0
• SD300 port (pcs): 1
• SD50 connector (pcs): 0
• SD300 connector (pcs): 0
• LED for system status: Yes
• Charging port (pcs): 1
• Charging cable: EW-EC300