Product Description Shimano Derailleur Pulleys for SLX and Deore 12-speed - Set of idler and tensioner pulleys The Shimano SLX 12-speed rear derailleur pulleys are compatible with both the RD-M7100 rear derailleur and RD-M7120. They also fit Deore RD-M6100. Upper and lower pulley each have 13 teeth. There is 1 pair included. Technical Information:Teeth:13Gearing:12Performance Indicator:Select (level 1 out of 3)Compatibility:SLX RD-M7100SLX RD-M7120Deore RD-M6100Manufacturer Number:Y-3FY98010 Contents:1 x Shimano SLX lower pulley wheel1 x Shimano SLX upper pulley wheel Manufacturer: Shimano Europe B.V. High Tech Campus 92 5656 AG Eindhoven Netherlands info@shimano-eu.com