【Package Contents】 - 8-pack of replacement wheels 【Size and Diameter】-- Diameter 58mm, width 39mm, equipped with ABEC 9 bearings and spacers, bearing inner diameter 8mm, bearing outer diameter 22mm, please check if these are the required specifications before purchasing. Bearings and spacers are already installed on the wheels. * Immediate purchase welcome, silent purchase at midnight OK ◎ * One-of-a-kind, first-come, first-served ・Please check the actual photos for the condition of the product ♪ #chapi's product list is here ✨☜ --------------------------------------------- 【Product Description】 【Premium Material】-- Made from durable polyurethane material, providing excellent grip and speed at all hardness levels, with excellent durability. 【95A Hardness for Indoor Performance】-- With a hardness of 95A, it provides grip, speed, and durability. These long-lasting artistic wheels are made for competition quality & smooth rotation, providing great grip on link floors. Suitable skate styles: jam, derby, speed, session. 【Points】-- The inner and outer edges of the hub are oversized, reducing the amount of urethane on the edges of the wheel. This makes it easier to perform stops and provides better response. There is room for more urethane in the center of the hub, providing excellent grip, control, and ride quality. TOBWOLF 8-pack 58mm x 39mm 95A Indoor Quad Roller Skate Wheels Roller Derby Speed Skate Artistic Jam Link Rhythm Skate Polyurethane Wear-Resistant Wheels 2-row Roller Skate Accessories New Life Street Skateboard Tires Inline Olympic (9-5-00-48)