With the fastest, most accurate shifting on the market, the new 12-speed Ultegra R8150 rear derailleur is more versatile thanks to a single cage length option compatible with 11-28, 11-30, and 11-34 cassettes.
Product details
- Fastest ever rear shifting, 58% faster than Dura-Ace R9150 rear derailleur
- Compact design includes an integrated wireless unit, charger, switch
- LED status indicator displays battery information, pairing, adjust mode, and more
- Wider range capacity, up to 34t cog
- Includes TL-EW300 cable plug tool
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