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
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About brand
Shimano is the world's most trusted name in cycling components, and Bikeera stocks a wide range of Shimano gear for UAE riders at every level. From road to mountain to urban cycling, Shimano's products cover drivetrain performance, braking, and pedalling efficiency with the reliability that has made the brand the benchmark of the industry.
Shop all the Shimano components UAE riders need at Bikeera in one convenient place. We stock Ultegra and 105 groupset parts including cassettes, chains, and brake rotors. Our range covers the full SPD-SL and SPD pedal lineup alongside Shimano performance cycling shoes. Di2 electronic wiring, disc brake accessories, and 12-speed electronic upgrade kits are all available. Whether you need a full groupset or a single replacement part, we have you covered.
Visit Bikeera in-store in Dubai to explore the complete Shimano range, or browse and shop anytime at bikeera.com. Free delivery across the UAE on orders over AED 150.
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