airwolf carbon fiber gravel bike frame 700*42c cyclocross bikes frames fork seatpost bicycle frameset bb386 49/52/54/56/58cm fit di2&mechani

* the toray t1100 carbon fiber material is used to ensure the perfect load-bearing capacity and ultra-light structure of the frame. * aerodynamic structure design and ultra-light carbon fiber material make your riding faster and more stable. * a variety of wiring configurations, compatible with mechanical speed change and di2, are perfect for your various kits. * 700*42c design, suitable for wider tires, to meet your riding needs under different road conditions. * world-class raw materials and accessories, assemble the most perfect bicycle.accepet color customed, 2 years warranty.