For riders who want worry-free shifting, Estes delivers. With robust, wide-set pivots, a more rigid body and cage, and high-quality metric adjustment hardware, Estes rear derailleurs perform well above expectations.
Features
Compatible with 6/7/8/9 speed cassettes and shifters
Metric adjustment hardware for easy setup and maintenance
Construction includes metal inserts for a stiff and responsive linkage
Compatible with Shimano cable pull
Medium (1x) or long cage (2/3x) versions
Medium cage compatible with 1x chainring and 40-45t max cassette 
Long cage compatible with 2x chainring and 34t-40t max cassette sprocket
Specifications
Cage LengthLong or medium cage versions
Speed9-Speed, 8-Speed, 7-Speed
Max Sprocket34-40T with 2 chainset (long), 40-45T with 1x (medium)
Capacity45T (long), 33T (medium)
ClutchNo
Cage MaterialSteel
Outer Link MaterialComposite
CompatibilityShimano Mountain