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
Max. low sprocket: 34T
PRODUCT SPECIFICATIONS
MODEL NO
RD-R8150
SERIES
ULTEGRA R8100 Series
Color
Series color
Average weight
262
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.
14T
Top sprocket|Min.
11T
Fluoric coated link bushings
4
Pulley|G pulley bearing
✔
Pulley|T pulley bearing
✔
Pulley|Teeth
11
Pulley|Sunken type pulley bolt
✔
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
