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.
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Product description
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
