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MICROSHIFT RD-M21L rear derailleur
Our line of mountain and trekking derailleurs starts with M21, but that doesn’t mean it’s entry level. Using the same kinematics as our more expensive derailleurs and innovative construction technics, M21 delivers responsive performance in an attainable package.
FEATURES:
| SPEED: | 6 speed |
| SPEED: | 7 speed |
| GROUPSET: | Not specified |
| CAGE LENGTH: | SGS (long) |
| Weight: | 0.350 kg |
