Extremely strong. Incredibly precise. SRAM's Power Chain II increases front & load shifting performance without sacrificing rear shifting precision. The Step 2™ riveting process increases the Push Pin Power for increased strength & durability.
Features: Our most economical 9-speed Power Chain II High quality shifting performance Chrome Hardened rivet pins for increased durability, gray colored plates, & our Power Link™ No weakest link closing system ISO 4210 compliant. See Declaration of Conformity for details.