GRX RX820 12-Speed Rear Derailleur
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Shimano GRX RX820 12-Speed Rear Derailleur
Enhanced chain security and quieter, more stable shifting for gravel riding
- Capacity
- 42T
- Cassette Range
- 11-36T
- Gearing
- 12-speed
- Compatibility
- HG 12-speed chain
- Claimed Weight
- 270g
- Activity
- gravel
- Manufacturer Warranty
- 2 years
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