Pacer Mach-5 Black Speed Skates – Mach5 GTX500 Black Quad Roller Skates Size Mens 10 / Ladies 11 : Pacer Mach-5 GTX500 Black Quad Speed Skates – Black Boots with Black Wheels & Black Laces – Looking for the perfect beginner quad speed skate or an entry level roller derby skate? Look no further than the Pacer Mach-5 GTX500 speed skate! The Mach-5 GTX500 quad skate features a comfortable boot with lots of padding for long hours at the rink. The Mach-5 GTX500 speed skate has a sturdy frame on some oversized Mach-5 GTX500 wheels for the ultimate in looks and performace! These quality Mach-5 speed skates come with some solid racing bearings to keep you rolling around with ease. The Mach-5 GTX500 is perfect for those looking for speed skates on e budget without sacrificing quality and performance! These speed skates are in Mens sizes. Ladies please go down one size for the proper size. For example, a Mens 6 equals a Ladies 7.