Team 57mm/90A Socks Wheel compatibility: 60 mm or

Wheel compatibility: 60 mm or 64 mm

High speed nylon ball retainer for greater strength and speed

Size 37/38 and 39/40 come with 3x90mm frame

A lightweight and comfortable freeskate

Team 57mm/90A Socks Wheel compatibility: 60 mm orA set containts 4 wheels Diameter: 57mm Hardness: 90A Ground Control is an American brand best known for their Frames, Their riders are pro skaters like Martin Danning, Josh Glowicki, Nils Jansons. Make sure that the diameter is correct for your type skate, the width of inline skate wheels are always the same, If you are not sure these wheels will fit your skate, you can always contact us More information about wheels in general here: http: