"First is Gravaa, which, if you don't know, makes hubs. However, these hubs allow you to adjust your tire pressure while you're riding. Secondly is Handgespaakt, who provided the carbon hoops for the build. Handgespaakt wheels are made to order, with each wheelset meticulously handbuilt with precision. Lastly, they are only making ten wheelsets. And yes, they have some available - I checked."
"Simply put, Gravaa uses its Kinetic Air Pressure System (KAPS). Inside each hub, a small pump collects air, allowing you to inflate the tire as you ride. "Kinetic" refers to the pump's power coming from the wheel's rotation. You can also deflate your tires. Both adding and subtracting air pressure are done through control buttons integrated into the hoods. The idea is that on smoother surfaces, such as a pavement sprint, you can increase tire pressure."
Gravaa produces hubs using the Kinetic Air Pressure System (KAPS), which harnesses wheel rotation to power a small internal pump that collects air for inflating tires while riding. Riders can both add and remove pressure using control buttons integrated into the hoods to tailor pressure for smooth pavements or rough terrain. Gravaa's pressure-adjustment capability helped Marianne Vos win the 2024 Gravel World Championships by enabling in-race adjustments. Handgespaakt hand-builds carbon wheelsets to order with meticulous spoke work and precision. The collaboration yielded a strictly limited run of ten wheelsets, with some available for purchase.
Read at Bikerumor
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