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Shimano GRX-400 10s rear derailleur
Total capacity 41t black
Order number: 391100 Manufacturer item no.: IRDRX400
Shimano GRX-600 11s Crankset 170 mm 30-46t
black
Order number: 393260 Manufacturer item no.: EFCRX600112CX60
Shimano GRX-600 11s Disc Brake STI right rear
Resin with Fin / Flat Mount black
Order number: 392262 Manufacturer item no.: IRX4001RRDSC170A