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 finish
- Aluminum largest cog: lighter, etc
- StealthRing elastomer and advanced tooth profiles eliminate vibration and noise for a smooth, silent ride
- Hollow steel dome makes for the stiffest gear cluster ever at the lightest weight
- Compatible with all other SRAM 10-speed rear derailleurs
- SRAM 10 and 11 speed cassettes with 11 tooth cogs have the smallest cog located behind the cassette in the packaging