38mm depth China carbon 700C high quality bike wheel with DT350 hub 1420 Spokes Road Clincher Disc brake bicycle Wheel Rim:69*69*7cm for 2 pieces; 69*69*16cm for 6 pieces; 69*69*30cm for 10 pieces; Wheel:82*70*20cm for 1 pair ; 82*70*36cm for 2 pairs