This is an excellent freestyle unicycle also known as a 'Profi'. It comes with ISIS hub and cranks and 48 spoke wheel; this unicycle can really take some punishment.
Comes with the a Qu-Ax flat-crown freestyle frame with grip-tape. The white wheel on the chrome version is ideal for indoor riding. It also features the following ace specifications:

Brand: Qu-Ax
Saddle: Qu-Ax saddle - Black with Yellow front and rear bumper.
Seat Post: Aluminium 25.4 ⌀ x 350mm
Clamp: Alloy quick-release
Frame: Qu-Ax flat-crown freestyle frame in Black or Chrome
Hub System: ISIS
Hub Setting: 48 spoke
Crank: Qu-Ax Aluminium ISIS 114mm freestyle
Rim: Double-walled alloy rim
Tyre: 20" x1.95" freestyle tyre in White (Chrome) or Black (Black)
Pedals: Plastic 'Profi' Non-Slip
Player Level: Intermediate - Advanced
Style: Freestyle
Weight: 5.40kg