4 E------Shimano Rear Derailleur Pulley AssembliesReplaces Y5X098090Item SpecificationsFits BrandShimanoDrivetrain Speeds10 2009952(450-459a)3/17 41822 prebook(10:8/23/22:ari 11623(5:1/24/23:ari----#20924(3:2/13/24:ari 30424( 7:3/6/24:ari 31924(7:3/21/24:ari