Signstek 11T Jockey Wheels Derailleur Bike Pulley Shimano & Sram XX, XO, X9, X7 *Blue*
Specification :Feature: Stainless Steel bearing for ultra durabilityHighlight: Anti Rust/Corrosion ResistantTechnology: Anodized 11t for Shimano & Sram 9, 10,11 speedCompatibility:1,Shimano:XTR, Saint, XT, SLX, Deore, LX, Alivio, DuraAce, Ultegra, Tiagra, 105, Sora or other center bolt designs.2,Sram:SRAM X0, XX, Force and RivalThese will also fit 2010 onwards SRAM X7 and X9, but they won't fit 2009 or lower X7 and X9.Color: BlueWeight: 9 gramspackage: 1 piecesDimensions: Width(thickness): 8.5mm, Bolt hole ID: 5mm, Radius: 42mm