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NEW Shimano Deore XT CS M8100 12 Speed Cassette 10 51t, groupset_family_grx Labeled Size: 650b x 40 price_changed_on_2025 07 21 Labeled Size: 650b x 40 Color: Plated Light and stiff construction reduces cassette inertia resulting in faster acceleration and increased chain security Designed for ebike: Yes
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