The V2 introduces a larger hose diameter compared to the original valves on the kite. The upgraded V2 valves bring higher quality, making the kite easier to inflate and deflate. To accommodate the new hoses, it's necessary to replace all the bladders. Both valves and hoses are included for a seamless transition to an enhanced kitesurfing experience. Feel free to reach out to us at info@boardclub.se if you have any questions.