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. Gear ratio 11-25: 11,12,13,14,15,16,17,19,21,23,25. Technology Highlight(s): Powerdome X/ X Glide Cogs/ StealthRings. Material: High Grade Tool Steel Cog Cluster, Heat Treatment Process, Heat Treated Aluminum lowest Range Cog, Elastomer Rings. Speeds: 11. Recommended Chain: SRAM RED 22 chain, SRAM PC-1170 chain. Recommended Group: SRAM RED 22
- SPEEDS
- 11
- CYCLING STYLE
- ROAD
- GEARING
- 11-25
- CATEGORY
- CASSETTES
- Other seasons
- 2018