10-speed 105 wide link rear derailleur short cage - SSAdvanced Wide Link design increases rigidity and shifting performanceSuper stiff for fast and accurate changes across the cassetteLarge 11 tooth pulleys increase service life and reduce noiseSuper light shift actionCompatible with 8, 9, and 10-speed drivetrainsMaximum low sprocket 30TMaximum front difference 16T, total capacity 34TAverage weight 221 grams
