Why We Like The Ultegra RD-R8150 Di2 Rear Derailleur
Shimano Di2 got better, and faster, with the Shimano Ultegra RD-R8150 Di2 Rear Derailleur. We notice the smooth and quick shifting up our 12-gears of range no matter what conditions exist. The derailleur works with up to a 34t cassette that allows for plenty of low gearing range for the biggest climbs in our backyards.
Details
- Electronic shifting for Shimano 12-speed drivetrains
- Rear derailleur works with up to 34t cassettes
- LED indicator for pairing and battery life
- Shimano claims derailleur shifts 58% faster than previous generation
- Works with Shimano Di2 shifters
- Item #SHIU1F8
- Material
- aluminum
- Capacity
- 39t
- Cassette Range
- 11-34t
- Gearing
- 1 x 12
- Compatibility
- Shimano Di2 drivetrains
- Claimed Weight
- 262g
- Manufacturer Warranty
- 2 years
- Activity
- cycling, road, gravel, commuting, time trial, triathalon
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