YIWU Night Blue features a steel frame with lugged forks. It's built around a Shimano 8 speed drive-train with reliable high quality components.
Yiwu comes in three different sizes:
50cm for 155cm - 165cm (Size S), currently not available
55cm for 166cm - 181cm (Size M)
60cm for 182cm - 198cm (Size L), currently not available