Rim markings are black and white [Model] DTXT-8.0-C5 [Flower drum] Ultra-light carbon fiber tube [Rim] Carbon fiber rims, 18 holes, 21 holes in front, 27mm in width, 18mm in width [Size] support tire size 23C-25C-28C 32C [Tower base] Strengthen the six ratchet aluminum tower base (Shimano), supporting 8-9-10-11 speed. [Spokes] Taiwan Xinda Straight Pull (flat bar) + aluminum cap [Number of holes] The first 18 and 21 holes (2: 1 method) [Weight] 38MM 1640g / pair 50MM1660g / pair (weight does not include placemat and quick release) [Color] black, red, gold, green, titanium [Outer box size] 74cm * 17cm * 65cm [List] Quick release pair + High pressure tire pad + One gasket