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Automatic keyway covers helps seal lock internals against the elements
For carbon frames that feature aluminum inserts (with a carbon/aluminum hybrid mounting surface)
To suit standard 1 1/8'' forks
Bluetooth Low Energy and ANT+ compatible
Knurled grip section for ultimate control
GRX Di2 RD-RX817 Road Helmets Automatic keyway covers helps sealGRX Di2 11 speed rear derailleur for 1X cranks Adjustable chain stabilizer prevents chain slapping and drops Gravel tuned clutch tension can be toggled ON OFF to match the terrain Low sprocket: Max. 42T Min. 40T Top sprocket: 11T Attributes Cage GS Max Front Difference Single chainring only Maximum Cog 42T Minimum Cog 11T Primary Color Grey RD Capacity 31T RD Spring Type Shadow Plus RD Weight 318g Speed 11
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