10-51D

 Basil Nordland, Panier Avant/Arrière Noir CARACTÉRISTIQUES DU PRODUIT 12-speed XT M8100 cassette with wider gear range while maintaining close steps between gears Corps de cassette Micro Spline, permettant un petit pignon à 10 dents The two largest cogs are aluminum to further reduce weight "Beam Spider" construction increases cassette stiffness...