Please note: Please pay attention when choosing a size according to the size chart below. Please check the length of the insole in cm thoroughly before buying. Adjustable inline skates Spokey KHAN:- are the optimal solution for children who are still growing, or for those who have a size "at the limit"- the chassis is adapted to change the wheel system: classic system (2 x 4 wheels depending on the selected size of skates and a special system for fast riding (2 x 3 wheels of 100 mm)- are equipped with a specially shaped insert and a triple fastening system (Velcro, laces and double buckle), which together ensure maximum riding comfort!If you can't decide whether to choose roller skates for recreational or fast riding, bet on this model of roller skates, which are two in one! Spokey KHAN skates are a solution that allows you to change the size of the wheels at will. The KHAN model offers two roller systems: a classic system and a special system for fast riding (2 x 3 wheels of 100 mm). If you want to try everything, then Spokey KHAN skates are perfect for you. Now you have a choice:- smaller wheels are lighter and more agile- larger wheels spin significantly longer after reflection, allowing you to achieve higher speedsTwo roller systemsRollerblading isn't just great fun! It's a great way to spend your free time with  friends or family, and it also brings many health benefits – it improves physical fitness, improves motor coordination and strengthens the leg muscles. For easier balance and better agility while riding, the KHAN uses three different wheel diameters in the classic 4-wheel system,  depending on the selected size:- size 31-34: wheels 76 mm- size 35-38: wheels 84mm- size 39-42: wheels 90 mmRegardless of the size chosen, the KHAN roller skate pack also includes 6 wheels with a diameter of 100 mm, which can be used in a 2 x 3 wheel configuration for a fast and dynamic ride! Due to the possibility of replacing and the size of the wheels, there is no rear brake on this model.We focus on quality and safetySafety while rollerblading is a priority for us. That's why the KHAN uses an aluminum chassis that guarantees a long service life while maintaining a very low weight! The KHAN model has wheels made of durable polyurethane (PU) with a hardness of 82A and high-quality ABEC-7 Carbon bearings. To prevent heel movement while riding, we used a specially profiled inner shoe on the KHAN roller skate model, which, in combination with the triple fastening system: laces, Velcro and double buckle, allows the shoe to be optimally adjusted to the foot and thus provides the highest level of safety. This makes Spokey KHAN roller skates very durable and allow you to achieve high speeds!Ideal for driving from an early ageSpokey KHAN roller skates are a great solution for both children who are still growing up and those who have the size "at the limit". Size control allows you to choose the right size, or change it when the child's foot grows. Thanks to the quick and hassle-free setup , this task will only take you a few seconds.size / length of insert in cm31-34: 20 – 22 cm35-38: 22 – 24 cm39-42: 24 – 26 cmParameters:adjustableChassis: Aluminumbearings: ABEC7 Carbonwheels: 82A PUPackage includes set of wheels: 6 x 100 mm and 8 x 76/84/90 mmFastening: double buckle with fuse, Velcro, lacingsizes: 31-34, 35-38, 39-42maximum user weight: 60 kgInformation for wholesale customers:Packing: 6 pairs / cartonpossible sale of 1 pair