https://www.cyclesdupuis.com/en/derailleur-arr-shimano-rd-t4000-sgs-alivio-9-speed.html
Shimano RD-T4000 Rear Derailleurs - 9 Speed - Cycle Dupuis
Alivio Trekking model works with Rapidfire shifters
rear derailleursshimanordspeedcycle
https://road.cc/category/review-section/components/derailleurs-rear
Derailleurs - rear Archives - Cycling News | Bike Reviews | road.cc
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