Shimano SM-CRE70 11/10/9 Speed Single Chainring 34T 55mm Chain Line - Black collection-samsung-smartphones For example

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Shimano SM-CRE70 11/10/9 Speed Single Chainring 34T 55mm Chain Line - Black collection-samsung-smartphones For exampleAvailable in 34T in 55mm chain line. Genuine Shimano replacement chainring for STEPS drive unit. Shimano part numbers: 55mm chain line 34T SMCRE70B55A4. The Shimano SM CRE70 B STEPS specific chainrings are designed for 11 10 9 speed and are the perfect replacement for worn or damaged chainrings. Shimano's STEPS class leading chainrings offer the optimum balance of light weight and rigidity for precise shifts even under high loads generated by E bikes.