Full carbon fiber handlebar seatpost stem carbon mtb handlebar 3k glossy bicycle parts carbon stem carbon seatpost

NOTICE： Sit Tube is only 1 piece , not 2 pcs like picture !!!! ITEM 1  Product name: carbon+Aluminum alloy stem Length: length: 70/80/90/100/110mm ITEM 2 Name: Full carbon fiber aluminum head double nail carbon seat tube Specification: 27.2*350MM 30.8*350mm 31.6*350MM 27.2*400mm 30.8*400mm 31.6*400mm Material: Toray T700 carbon fiber Color: black 3k bright ITEM 3 roduct Name: Mountain Bike Carbon Bicycle Handlebar Material: Full Carbon Weave: 3K Finish: gloss Handlebar Clamp Diameter: 31.8 mm Length: 580mm 600mm 620mm, 640mm, 660mm, 680mm, 700mm ,720mm, 740mm