Ultegra Di2 RD-R8150HLC. Web. Services. CmsService. Models. Pages. CmsPageProductDetails The ULTEGRA RD R8150 12 speed Di2 electronic rear derailleur integrates the system charging port and a wireless connectivity unit all while delivering super fast, precise shifting worth of any podium. A single cage length shifts cassettes from 11 30 to 11 34 bringing new versatility. Compact SHADOW design includes an integrated wireless unit, charger, switch and LED status indicator.
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