The Titan features many key upgrades for true performance over the toughest terrain. This bike will take a beating and keep asking for more! With powerful Tektro disc brakes and Shimano 24 Speed gearing, this fat bike is ready to tackle anything. 24 wheel size suitable for ages 10 - 13 years old (140 - 150cm tall). Huge 24 X 4.0 tyres to tackle any terrain with ease lightweight alloy frame for easy handling and powerful Tektro disc brakes for controlled stopping Shimano 24-Speed Alivio/Acera gearing to keep you moving over anything in your path.