Rollerblade Hydrogen Spectre 80mm/85a Wheel (Single) uc-wheels Included in the box:

Included in the box:

you can ride up to 65mm wheels on the outside (with proper soul plates)

Their Eco Urethane uses a 45% corn base and the wheels have a recycled plastic core

Mounting System: UFS (Flat Base)

or advanced

Rollerblade Hydrogen Spectre 80mm/85a Wheel (Single) uc-wheels Included in the box:Sold individually. Hydrogen Spectre 80mm wheels are designed for ultimate athletic performance. Made in the USA using an exclusive Premium formula, the scooped inner core supports a urethane outerenhancing speed, mechanical grip and wear. OPTIMAL PERFORMANCE Controlled speed and excellent wear, 80mm 85A PREMIUM FORMULA Resilience and rebound SOLID CORE DESIGN Consistent speed and cornering MAXIMUM GRIP Excellent vibration control MADE IN THE USA