The rear derailleur is capable of handling a 23T max rear sprocket in full index mode and as 26T in friction mode (with a max difference in the 13T range). The rear derailleur's total capacity...defined as the combined front chainring and rear sprocket difference...is 26T

Size: Road Short Cage

Designed for Suntour compatible 7 and 8 speed shifting systems and freewheels or cassettes up to 28 teeth.