- Acera mountain bike rear derailleur with light action operation and over-size pulleys for a wide gear choice
- Oversize 13-tooth tension and guide pulleys to reduce noise and wear
- Extension spring and low-friction fluorine-coated link pivot bushing result in a light shifting action
- Top normal spring for use with Rapidfire shifters
- IG and HG chain, 7- and 8-speed compatible
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7 / 8 Speed
