The Qu-ax Starter Trials is the next gerneration of the well known Qu-ax 20" Cross. Now it comes with a larger 2.5" tire.The Qu-ax Starter Trials is for lightweight and not hard riding trial starters. It comes with cheaper cranks and saddle and in case of any problem, fast to replace.All trials unicycles comes with 19" (387 mm) rims. The Qu-ax Starter Trials comes with a normal 20" (406 mm) rim. So it will fits normal 20" tires. That’s where you start with Muni! This light Muni already allows you a lot – and is upgradeable! 20″x2,5″ QU-AX QCross tire with huge rebound (real 20″, ETRTO-size 406) Flatcrownframe, steel wide QU-AX DB-45 double walled rim QU-AX Luxus Freestyle saddle with integrated handle aluminum seatclamp, black ISIS hub, 48 holes, yellow ISIS aluminum cranks 125 mm light QX-series plastic pedal, black aluminum seatpost, Ø 25,4 mm weight: 5,2 kg minimum inseam: ca. 64 cm Price per piece.