طقم تروس جشمة خلفية شيمانو التيجرا (RD-6800/6870) X2

Technical specifications:

Material: plastic, metal
Compatibility Rear Derailleur: SHIMANO Ultegra RD-6800 | RD-6870
Chain / drive: 11-speed
Number of teeth: 11 teeth
bearing : Industrial ball bearing , sealed
Color rolls: black
Color dust caps: silver