SHIMANO GRX Di2 RD-RX815/Short Cage /11-Speed
| Description | Shimano GRX Di2 RD-RX815 rear derailleur - reliable shifting on rough terrain With the Shimano GRX Di2 RD-RX815 electronic rear derailleur you shift smoothly and quietly on rough terrain. An adjustable chain stabilizer and the Shadow RD+ technology, prot |
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| Supplier SKU | KRDRX815 |
| Speed | 11 Speed |
| Brand Name | SHIMANO |
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