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Amazon.com : MEGHNA Shimano Altus Rear Derailleur RD-M310 7/8 Speed Mountain Bike Rear Derailleur Direct Mount : Sports & Outdoors
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Shimano Altus M310 Derailleurs group contains SL-M315 FD-M310 RD-M310 3x7s 3x8s 21s 24s shifter levers Front Rear Derailleur
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Shimano Altus M310 3×8 Speed Groupset 7pcs Shifter Derailleur Crank Cassette MTB – ASA College: Florida
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