Shimano part no.: Y5XU98030. Shimano Select pulley set for 105 5800, SLX RD-M7000, SLX RD-M670, SLX RD-M660, DEORE RD-M610, DEORE RD-M590 and ZEE RD-M640 for 10-speed rear derailleur. Genuine Shimano DEORE/SLX RD-M593 Pully Set.
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