The new River 115mm x 30mm Fireset Glides will give you better Ground Clearance and Carve Angle When riding wider decks. With the new Urethane Profile you can expect a more consistent wear pattern and a longer lifespan across the full 30mm Width of the Wheel as well as a larger Contact-Patch with the ground that increases grip, rolls over rougher cracked terrain, eases precision rides and provides a more stable balance point for Manuals! With a full 30mm wide core you will have reduced load on your bearings for a longer lifespan with you stock 8mm axle and 608 bearings. Our River Glide Formula is hands down the smoothest, fastest PU Formula in the scooter industry. Featuring BUFF Core Technology which helps absorb impact, reduce de-hubbing and create a smoother ride. All River Wheels are manufactured with bearing removal slots for quick bearing replacement. All River wheels come with River Flash Flood Bearings pre-installed. The iconic 9-spoked anodized 6061 T-6 aluminum core creates a perfect balance of weight, strength and durability for a superior ride. Limited 90-day warranty against chunking and de-hubbing. 100% Made in the USA.