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Shimano GRX-810 2x11s rear derailleur
Total capacity 40t black-grey
Order number: 391111 Manufacturer item no.: IRDRX810
Shimano GRX-812 1x11s rear derailleur
Total capacity 31t black-grey
Order number: 391112 Manufacturer item no.: IRDRX812
Shimano GRX-815 Di2 2x11s rear derailleur
Total capacity 40t black-grey
Order number: 391115 Manufacturer item no.: IRDRX815
Shimano GRX-817 Di2 1x11s rear derailleur
Total capacity 31t black-grey
Order number: 391117 Manufacturer item no.: IRDRX817
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