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- CNC Machined AL7075-T6
- Laser-etched logos
- Some are designed to work in specific tooth combinations; parentheses indicate appropriate mating ring
- Shifting ramps and Stainless steel pins on middle and outer rings
- S10 is compatible with Shimano, SRAM and Campagnolo Ultra Narrow 10-Speed
- S9/C10 is compatible with Shimano 9 speed and Campagnolo C10 10-Speed
- N10 is compatible with Shimano, SRAM and Campagnolo Ultra narrow 9 and 10-Speed