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Ships within 48 hours · Estimated delivery Nov 13 - Nov 18
Micro adjustments
Double Down (DD)
CPSC-approved ink
while the micro-adjustable BOA® L6E dial enables a personalized fit
Protocol: WiFi
Shimano Ultegra CS-R8101 12 Speed Cassette ebike-box-tfm-shipping Micro adjustmentsHYPERGLIDE+ cassettes revolutionized off road shifting with its seamless shifts both up and down the gear range. Now it's time for the technology to change road cycling. Even during maximal efforts up a climb or racing a friend, riders no longer need to back off to perform a shift. In any gear, Shimano ULTEGRA R8150 drivetrains maximize efficiency thanks to larger cogs and retain compatibility with existing HYPERGLIDE FREEHUB bodies. All this while
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