S.RDR8150 ACHTERDER ULTEGRA DI2 12SP

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. 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