Powerslide Doop - the city commuter skate. Powerslide Doop 90 inline skates are true TRINITY Triskates for city commuters. Convenience & comfort are what the Doop´s are all about, as the step-in skates can be adjusted to your shoe size. The new TRINITY 3-point mounting lowers your center of gravity and boosts the performance to the next level. Skate faster and shine brighter with outstanding features like high quality glow in the dark 90mm 83A wheels, powerful LED lights, fast Wicked ABEC 9 bearings and a secure height adjustable braking system for maximum safety. Make it a Doop day!