The SLX M7100 12speed rear derailleur offers dependable shifting with innovative enhancements for improved performance A reduced tension in the low gear position ensures quieter operation while a bumper on the pulley cage adds extra durability Larger 13T pulleys improve efficiency and maintain better chain control keeping shifts sharp and precise Designed to work seamlessly with Shimanos 12speed cassettes it provides an expanded gear range ideal for tackling varied conditions with confidenceFeatures Model No RDM7100SGS Series SLX Rear speeds 12 Compatible chain HG 12speed Low sprocket Max51T Min51T Top sprocket Max10T Min10T

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