Shimano XT CS-M771-10 Sprocket/Cog Unit 19-21-23T for 10-speed 11-34T Cassette
For CS-M771-10 Cassette (11-13-15-17-19-21-23-26-30-34T) Cassette Sprocket Carrier for 5 arm Type Cog Brand Shimano MPN Y1YR98020 Number of Speeds 10 speed For Bike Type Mountain Bike UPC 689228592254 Part Type Bicycle part .