<b>Nice Replacementioned Wheels++++++++++++</b><br/>weet looking wheels, good price and holding up well to my big 10 yr olds abuse. Still quiet bearings after a few months of use. He's very pleased with this product. Would buy again..<br/><br/><b>Good to Know for the NEO 100mm Scooter Wheel:</b> <br/>Package: 2pcs <br/>Size: 100mm <br/>Brand: Kutrick <br/>Codition: Complete Wheels(Needn't assemble bearing+Spacer) <br/>Core: Aluminum <br/>Nice Core Design: Spoked <br/>Bearing: ABEC9 (Ensures a grippy/fast/buttery roll) <br/>hardness: 88a Urethane<br/>Price for 2 wheels <br/>Complete wheels Includes bearings & spacers. <br/>The Wheel fit all scooters with 100mm wheels. <br/> <br/> <b>How to Buying Good scooter wheels</b> <br/>Every wheel needs 2x bearings and 1x spacer to function and Wheels are made in different materials, dimensions, hardness, profiles and different cores. <br/> <br/>The Cores have 1.Solid core(Massive core for maximum durability);2.Spoked core(Core with holes and cutouts Makes a lightweight wheel, but also weaker);3.Hollow core(Hollow inside for lightweight, while still maintaining strength. (Not as strong as solid core)and Plastic cores do not last long, and are a bit flexible. <br/> <br/>Profiles have Flat (A flat profile that gives strength to the rubber and maximum grip);2.Narrow profile ( A narrow profile gives you speed) <br/> <br/>Hardness have 1.The durometer scale goes from 0-100a, where 100a is the hardest. Most scooter wheels are 85a. 2.Hard wheels last longer, they are more slippery but are also faster;3.Soft wheels wear down faster, but have a good grip, great for parks and indoor use.