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Extremely strong. Incredibly precise. SRAM's PowerChain II increases front and load shifting performance without sacrificing rear shifting precision. The Step2™ riveting process increases the Push Pin Power for increased strength and durability.
- Our most economical 9-speed PowerChain II
- High quality shifting performance
- Chrome Hardened rivet pins for increased durability, gray colored plates, and our PowerLink™ "No weakest link" closing system