The RD-M9210 XTR rear derailleur is intended for use with 2x drivetrains. It is compatible with both 11- and 12-speed cassettes.
– Decreased rear derailleur tension at low gear position, to prevent high chain tension
– Add bumper at rear derailleur pulley cage
– Bigger 13T pulley
– Direct mount compatible
– Cassette size: 10-45t
– Total capacity: 41t










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