Now simplified with a single derailleur cage length, the new 12-speed Shimano ULTEGRA R8150 rear derailleur packs Shimano's fastest, most precise shifting into a more approachable option.
With their 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:
Shimano's 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
SPECIFICATIONS:
MODEL NO RD-R8150
SERIES ULTEGRA R8100 Series
Average weight 262
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 ✔
