Description
Updated version of the innovative RED cassette boasts crisp shifting and quiet operation.
- 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
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