جشمات نقل السرعات

RD-TY300-SGS SHIMANO TOURNEY TY – Rear Derailleur – Long Cage – 6/7-speed Compatible with 6 and 7-speed SIS Index Shifting

SHIMANO TOURNEY TZ – Rear Derailleur – Medium Cage – 6-speed Compatible with 6-speed SIS Index Shifting drivetrains Note: Works