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Amazon.com: Cassettes Freewheels CS-HG500-10 Speed Flywheel Mountain Bike Bicycle Flywheel 11-42 Gear Stable, Wear-Resistant and Strong (Size : HG500 -10(11-42T)) : Sports & Outdoors
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Shimano Tiagra M6000 CS-HG500 M4100 10 Speed Mountain MTB Road Bike Cassette flywheel 11-25T 12-28T 11-32T 11-34T 11-42T
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