Kids Mountain Bike Bicycle BTWIN ST 500 18 Speeds Front Suspension Cycling. To ensure riders can easily overcome rough terrain, we’ve equipped this 24-inch MTB with a suspension fork. Easily tackle hilly paths with the 18 speeds. Ease of use: With two grip shifters to easily change between the 18 speeds Brake control: Two V-Brake pads for effective braking. Skinwall tyres for less weight, with side knobs. Cycling comfort: A saddle with a sporty design and a shape adapted to kids’ bodies. We have designed this mountain bike for 9 to 12 year-olds (135 to 150 cm) wanting to regularly go mountain biking. Store the bike in a clean, dry place. Clean and grease the chain regularly. Our tips for before each ride: inflate the tyres to the pressure indicated on the sidewall. Guarantee: for life (frame, stem, handlebars, rigid fork). Find out more about the bike guarantee. A frame that is suitable for mountain biking: Our engineers have designed a new, robust steel frame. The frame’s rear chainstays are short to make the bike dynamic and easy to handle. Front suspension to cushion unpredictable terrain: Take on new challenging terrain roots, stones, gravel, etc. With ease thanks to the travel of the front suspension fork. Changing between the 18 speeds: This bike is equipped with 2 grip shifters to make it easy to change between the 18 speeds. Left (chainrings): control ascents/descents. Right (speeds): more precise control over your pedalling. Controlled braking: Two V-Brake pads for effective braking. These brakes are composed of callipers that exert more or less pressure on the rim to slow or stop the rotation of the wheels. A reinforced, ergonomic saddle: A saddle with a sporty design, designed with care to adapt to the morphology of children. It is equipped with a plastic cover at the back (a bumper) to protect. If you’re not satisfied with an item you’ve bought online, you have 30 days to change your mind as long as the item is unused and in its original packaging. Please contact our customer service team if you want to return your item. On the rare occasion you have a product with a manufacturing defect, don’t worry, all brands by Decathlon products come with a minimum guarantee of 2 years unless specified otherwise. Any material or manufacturing defect recognised by Decathlon teams. The replacement of faulty parts with matching parts for the same use, and labour. Application of the guarantee. The product must not have been subject to any shocks or abnormal treatment outside of normal use conditions. The product must be used according to its instructions and be regularly maintained. The guarantee does not include. Damage that is the responsibility of a third party, or resulting from an intentional or fraudulent act. Worn parts tyres, inner tubes, chains, pulleys, cables, etc. Only original parts are covered by the Decathlon guarantee. Damage resulting from fire, lightning, storms, vandalism, or unsafe or insecure transport.