• CLOUDWHEEL Donut 105mm Hub Motor Sleeve for Exway Flex Hub/Wave Hub/X1 Pro/X1 Max Hub,Backfire G3/ Mini/G2 Black/G2 Galaxy(5 Holes Hub)/G3 Plus,Lycaon Swift-Hub/GR(2021 Version),WowGo Knight Hub,Maxfind Max4 Pro/Max2 Pro/FF-Street,enSkate R3/R3 Mini,Koowheel D4,Tynee Board Classic/Mini-Hub
• Patented Damping Foam Core Technology - The CLOUDWHEEL Donut filters out most of the vibrations than the regular wheel. Using CLOUDWHEEL Donut, you don't want to use the other skateboard wheels anymore. This is a major innovation in the history of skateboarding.
• Controllable Deformation Amount - Reduce mileage loss caused by excessive wheel deformation during taxiing due to too soft wheels.
• Curved Wheel and Unique Tread - The curved tread design makes the skateboard effectively increase the grip and anti-skid force of the wheel in the case of high-speed sliding.
• Increase Speed - 105mm diameter CLOUDWHEEL Donut sleeve can increase the maximum speed of your ride by 3mph.