production detail : [Color] silver nickel-chromium / gold (specially treated surface) [Teeth] (8-speed 12-32T) (9 speed 11-32T) (10 speed 11-36T) [speed] Super 8 speed, 9-speed, 10-speed (Note: 10-speed silver flywheel with red color ,other silver is whole silver ) [Weight] (Found) 8-speed 327g, 9 speed 330g, 10 speed 392g 11 speed 410g [8,9,10,11] the new profile of the flywheel speed mountain, high tensile steel nickel chrome, hollow design, reduce weight, mid-priced choice for the value, Cost-effective exceed any other flywheel , ultra-light design, ultra-wear-resistant steel imports
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