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- Hollow steel dome makes for the stiffest gear cluster ever at the lightest weight
- Heat-treated, high-grade tool steel provide superlative durability and a beautiful finish
- StealthRing elastomers and advanced tooth profiles eliminate vibration and noise for a smooth, silent ride
- Aluminum cog: lighter, stiffer, stronger due to the design, material and production process
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The Sram XG1190 are durable, beautifully designed chrome plated 11 speed cassette. Lockring included.