SHIMANO ULTEGRA R8100 R8101 Cassette 12S bicycle bike freewheel R8170 tooth:11-34T but it can also be

but it can also be better controlled at the same time

SRAM Yaw trimless cage technology compatible with 46/33T

LED status indicatorBattery indicatorPairingAdjust mode

And despite its smaller construction

To further its performance

SHIMANO ULTEGRA R8100 R8101 Cassette 12S bicycle bike freewheel R8170 tooth:11-34T but it can also beThe uninterrupted shifting experience of the ULTEGRA R8100 12 speed cassette range lets you climb, sprint, or cruise without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12 speed FREEHUB bodies. HYPERGLIDE+ 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