451 Ruota 20 3 Raggi Fibra di Carbonio Strada Pieghevole Bici Ruote Clincher 23x38mm

The differences are mainly for “appearance”and “weight”. UD is the lightest ,3K/6K/12K is 0.5% more heavier than UD is weight,because their weaving ways of the carbon fiber are different, it”ll affect the resin flowability to make the whole weight heavier.

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