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Trademark XT reliability
ETAP BATTERY TERMINAL COVER FRONT/REAR DERAILLEUR/REVERB AXS QTY 1
or take up any side-to-side movement in your cranks
SMARTCAGE pulley plate
Ultegra CS-R8100 Folding Trademark XT reliabilityThe uninterrupted shifting experience of the ULTEGRA R8100 12 speed cassette range lets you climb, sprint, and push your limits without stopping to think about your next gear change, thanks to the larger driving cogs maximizing drivetrain range and efficiency. HYPERGLIDE+ Technology Faster, seamless shifts under maximum pedaling load Refined 12 step gear combination provides peak efficiency and accelerating performance for every situation Available in
