湖南速奥科技有限公司
hú nán sù ào kē jì yǒu xiàn gōng sī
Changsha, Hunan
Changsha-based manufacturer specializing in high-performance CNC-machined cassettes, chainrings, and cranks. Known for lightweight integrated cassettes and multi-material composite chainrings with 22 patents. Won Innovation Gold Awards at China International Bicycle Exhibition in 2018, 2019, 2024, and 2025. ISO9001:2015 certified since 2024.