Good explanations [https://shop.alexpastorkiteclub.com/blogs/how-to/choose-your-twintip-kiteboard](https://shop.alexpastorkiteclub.com/blogs/how-to/choose-your-twintip-kiteboard) [https://knowledge.thekitespot.com/twintip-kiteboard-design-features-and-styles/#:~:text=Freestyle%20kiteboard&text=Features%20typical%20of%20a%20Freestyle,of%20concave%20and%20tip%20channelling](https://knowledge.thekitespot.com/twintip-kiteboard-design-features-and-styles/#:~:text=Freestyle%20kiteboard&text=Features%20typical%20of%20a%20Freestyle,of%20concave%20and%20tip%20channelling). What I want - Medium to soft flex for absorbing chops - Medium rocker - Size: ca. 136-140 - Single concave Characteristics - Flex - Rocker - Size - Channels - Core material - Composite material - Concave