Shimano RD-R8150 Rear Derailleur Ultegra 12-Speed 34T Max Di2

Now simplified with a single derailleur cage length, the 12-speed Shimano Ultegra R8150 rear derailleur packs their fastest, most precise shifting into a more approachable option.

With their fastest, most accurate shifting, the 12-speed Ultegra R8150 rear derailleur is more versatile than ever thanks to a single cage length option that is compatible with 30-34T low sprockets.

FEATURES

• Shimano’s fastest ever rear shifting, 58% faster than RD-R9150
• Compact design includes an integrated wireless unit, charger, and switch
• Wider range capacity
• Max. low sprocket: 34T

PRODUCT SPECIFICATIONS

Model No: RD-R8150
Series: Ultegra R8100 Series
Colour: Series colour
Average weight: 262 grams
Remarks w/o Bracket spec. available
Rear speeds: 12
Top-normal spring type|Shimano Shadow RD: ✔
Mount|Direct attachment (conventional): ✔
Mount|Direct mount: ✔
Max. front difference: 16T
Total capacity: 39T
Low sprocket|Max.: 34T
Low sprocket|Min.: 30T
Top sprocket|Max.: 11T
Top sprocket|Min.: 11T
Fluoric coated link bushings: 4
Pulley|Guide pulley bearing: ✔
Pulley|Tension pulley bearing: ✔
Pulley|Teeth: 11
Pulley|Sunken type pulley screw: ✔
B-axle|Hollow axle: ✔
B-axle 2|Hollow axle: ✔
Di2 connectivity wired|Di2 shifting: ✔
Di2 connectivity wireless|Di2 shifting: ✔
Di2 connectivity wireless|Bluetooth® LE custom (*1)|Adjust mode information: ✔
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|Bluetooth® LE custom (*1)|Compatible with E-Tube Ride: ✔
Di2 connectivity wireless|Bluetooth® LE custom (*1)|Compatible with E-Tube Project: ✔
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): ✔
Firmware update by E-Tube Project: ✔
SD50 port (pcs): 0
SD300 port (pcs): 1
SD50 connector (pcs): 0
SD300 connector (pcs): 0
LED for system status: ✔
Charging port (pcs): 1
Charging cable: EW-EC300

ABOUT SHIMANO

In response to surging demand for global environmental preservation, bicycles now attract attention as the most eco-friendly means of transport. Shimano are dedicated to supply high-quality and high-performance components for different types of bicycles made in various countries and regions of the world, ranging from bicycles for the world’s top racers to daily users.

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