... 4.OEM monocoque 700c super light bicycle carbon rims tubular 20,36,50,56,86mm Brand ROSITModelBI-RIM-20TItem:Carbon Road Bicycle ... , Carbon Saddle About ROSIT Shenzhen Rosit industry co.,ltd is a professional manufacturer specialized in producing Carbon bicycle frame, carbon bicycle ... by warranty monocoque 700c super light bicycle carbon rims tubular 20,36,50,56,86mm