The Razor RipStik Caster Board Wheels are 76mm in diameter with ABEC 5 bearings, designed for maximum performance and durability. Specifically designed for the Razor RipStik model, these wheels are perfect for skateboarding and outdoor sports enthusiasts. The blue color gives a sleek and unique look to the caster board, making it stand out in the crowd. Made by the trusted brand Razor, these wheels are a great addition to any caster board setup. Please look at photos carefully and know what you are purchasing. Continental US shipping only. I will refund excess shipping charges on combined orders.