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Shimano GRX-400 10s front dereilleur brazed on
DownSwing silver-black
Order number: 391210 Manufacturer item no.: IFDRX400F
Shimano GRX-400 10s rear derailleur
Total capacity 41t black
Order number: 391100 Manufacturer item no.: IRDRX400
Shimano GRX-400 2s Disc Brake STI left front
Resin with Fin / Flat Mount black
Order number: 392243 Manufacturer item no.: IRX400DLF6SC100A