HIGHT-QUALITY MATERIAL
Selection of high-quality materials makes riding safer and more reliable, and improves durability.
Classical Fast- Shifting Consturstion
As for the construction itself, SUMC employs a double X-construction with inner and outer plate chamfering to deliver smooth and fast shifting across the entire cassette.
Chain for smooth, precise shifting and long wear life Ti-Nitride coating reduces friction and improves durability X-shaped designed with inner & outer chamfering offers smooth, fast shifting Mushroom riveted pins aslo provides excellent pin power. Quick Connector link allows simple installation and adjustments Compatible with all popular mountain and road drivetrains