We are Sonata composite sport company.we are ultralight carbon wheels and rims supplier.our rims and wheels are main for exporting and getting good feedback from Italy, austrilia, US, Spain and other Euro market. main carbon rims and wheelset:700c tubular: 24mm, 38mm, 50mm, 60mm, 88mm700c clincher: 20mm, 38mm, 50mm, 60mm, 88mm.650c clincher: 22mm MTB700c clincher: 25mm MTB1.good basalt brake surface of rims.2.special hole acceptable(16-32h).3.ultralight: 50mm tubular 350g/pc, 390g/pc. 50mm clincher 400g, 430g/pc, 460g/pc, 540g/pc 24mm 260g, 280g ETC....4.we have strict test for lateral pressure, positive pressure, spoke tension.5.factory price, not trade company.6.wide range of choice, 3k glossy/matte, UD glossy/mattepacking68*68*30cm 10pcs/carton.payment: paypal, TT.