Rear derailleur 12s ultegra rd-r8150 di2 Shimano

Now streamlined with a single length of derailleur cage, the new Shimano ULTEGRA R8150 12s shifter is the fastest and most precise shifting on the market in a more affordable option. With the fastest and most precise derailleur on the market, the new ULTEGRA R8150 12 • speed rear derailleur is more versatile than ever, thanks to a single cage length option compatible with 11 • 30 and 11 • 34 cassettes. Faster than ever chainring shifting, 58% faster than RD • R9150. The compact design includes an integrated wireless unit, charger and switch. LED Status Indicator, Battery Indicator, Pairing, Setting Mode, etc. Wider range of ratios Max min sprocket: 34T
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• SWITCH LENGTH: LONG
• NUMBER OF REPORTS: 12 SPEED
• TYPE: CHANGE