sram-red-xg-1090-cassette-10-speed-11-26t-silver
sram-red-xg-1090-cassette-10-speed-11-26t-silver, Updated version of the innovative RED cassette boasts crisp shifting and quiet operation.Heat-treated, high-grade tool steel provide superlative durability and a beautiful finishAluminum largest cog: lighter, etcStealthRing elastomer and advanced tooth profiles eliminate vibration and noise for a smooth, silent rideHollow steel dome makes for the stiffest gear cluster ever at the lightest weightCompatible with all other SRAM 10-speed rear derailleurs