DURABLE & ADJUSTABLE:The unicycle features extra thick aluminum alloy rim and manganese steel frame, which has high durability. The heavy-duty seat post with knurled surface is stable and anti-skid, and the height of the seat can be freely adjusted between 0-22cm (0-8.7 "). ERGONOMIC DESIGN:The adjustable seat bar and ergonomic streamlined comfortable saddle make you enjoy safe and comfortable riding experience. The quick release seat post clamp is made of aluminum alloy, which is stable and firm with all-round ergonomic design. HIGH-QUALITY TIRE:The tire is made of high-quality durable explosion-proof material, and the surface pattern design is anti-skid and wear-resistant. Heavy duty aluminum alloy rim is designed with solid stainless steel 36 spokes, which is firm and stable, it is ideal for first learners or regular riders. SAFETY & STABILITY:High quality forged crank and super silent bearing are adopted, and the tread pattern on the surface of the pedal is antiskid to ensure a smooth pedal. High quality wide tyres provide better handling and stability, avoid losing balance in case of bumps or cracks on the road, realize double protection and ensure safety. EASY TO INSTALL:The unicycle accessories are relatively simple, and equipped with a wrench, pump and other complete installation tools, with detailed instructions. So you can easily complete the assembly in a very short time, and then enjoy your ride.