- Large upper pulley offset automatically adjusts chain gap
- X-Horizon horizontal parallelogram design keeps the chain gap the same across all 11 gears, reducing shift force and ghost shifting
- Employs Type 2.1 technologies: Roller Bearing Clutch and Cage Lock
- Carbon fiber outer cage (available only in this aftermarket version; the OEM version comes with an aluminum outer cage)
- Sealed cartridge bearings
- 12-tooth X-Sync pulley wheels
- 220g




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