Shimano Rear Derailleur RD-M9100 XTR 11/12Speed

REAR DERAILLEUR, RD-M9100, XTR, 1x12 SPEED Specification:-- CAGE LENGTH GS/Medium,SGS/Long - TOTAL CAPACITY 35T,41T - MAX FRONT DIFFERENCE 0T - COLOR SERIES COLOR - MOUNT Direct attachment (conventional) - GUIDE PULLEY BEARING Sealed Bearing - TENSION PULLEY BEARING Sealed Bearing - NUMBER OF PULLEY TEETH 13T - SERIES XTR - GENERATION M9100 - MAX LOW SPROCKET 45T,51T - MIN LOW SPROCKET 45T - REAR SPEEDS 12 - TOP NORMAL SPRING TYPE SHIMANO SHADOW RD+