Altus Rear derailleur offering Crisp Performance on- and Off-Road for 9-Speed drivetrains. Wide Link Design Increases Design and Service Life. 11-Tooth Pulleys for Reduced Pulley wear and Chain
Part 2. Shimano MTB Groupset Overview. Altus vs Acera. Buyers Guide / Review. - YouTube
Altus Rear derailleur offering Crisp Performance on- and Off-Road for 9-Speed drivetrains. Wide Link Design Increases Design and Service Life. 11-Tooth Pulleys for Reduced Pulley wear and Chain
Rear Derailleur Deore RD-M6000 Shadow Plus 10v 42d IRDM6000GS SHIMANO Bike | eBay