Shimano GRX FC-RX820 1 x 12 172.5 42T Crankset
$249.99
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OUTER RING MATERIAL AluminumCRANK AXLE MATERIAL SteelAVERAGE WEIGHT 644g,656gCOMPATIBLE BB TYPE OutboardCRANK AXLE FINISH PlatedGEAR ARMS 4COMPATIBLE CHAIN HG'12-speedSERIES GRXGENERATION RX820CRANK ARM LENGTH 170,172.5,175CHAIN RING COMBINATION 40,42OUTER RING FINISH AnodizedCRANK ARM MATERIAL Aluminum
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