Description

Super light and deadly silent, the SRAM Red 11-Speed Cassette delivers ultra-fast, ultra-quiet shifts that will always put you in the right gear.

Features

• Cassette's 9 core cogs are machined from a single block of high grade tool steel, increasing stiffness yet weighing less than a titanium cassette
• Between each cog is StealthRing elastomer to reduce vibration and noise for a smooth, quiet ride
• Hollow steel dome makes for the stiffest gear cluster ever at the lightest weight; cutouts on the rear cog further reduce weight and add stiffness
• Lowest range cog is heat-treated aluminum
• Compatible with SRAM RED eTap, RED, Force, Apex