Dirt skills start here. With a lightweight aluminum frame that has a low stand-over height a smooth-riding composite fork and 20-inch wheels the new STP 20 gives kids the confidence and maneuverability they need to start leaning into the turns shifting their weight and popping some air. It’s all the things that make riding fun. Key Performance Factors FIT FOR YOUTH The frame’s low stand-over height offers greater balance and stability with a lower center of gravity that’s ideal for riders 110-130cm tall. The 20-inch wheels and shorter 105mm cranks make for easier handling and smoother pedaling. GREATER CONTROL Youth-specific components including a Grit Core Lite saddle smaller diameter handlebars and hydraulic brakes with lighter modulation give STP 20 a smooth controlled ride helping young riders focus on building skills and gaining confidence. PLAYFUL AGILITY With a lightweight durable ALUXX aluminum frame and Advanced-grade composite fork the STP 20 is easy for young riders to maneuver. A shorter wheelbase and chainstays add a playful feel and make it easier to lift the front wheel while riding. ALUXX Aluminium Technology This Performance level frame material features 6061 alloy with single-butted tubes to produce strong lightweight framesets for a variety of different bikes and riding styles. Advanced Composite Technology Liv’s High-Performance Grade raw carbon material is used to produce this frameset in our own composite factory. Using state-of-the-art materials and manufacturing techniques Liv’s Advanced-Grade Composite frames are designed to offer light weight and stiffness with optimal compliance. Frame ALUXX-grade aluminum 12x142mm thru-axle Fork SR XCT Jr. L20 coil spring 9x100mm QR 63mm travel Handlebar Giant Sport alloy 31.8mm 600mm Stem forged alloy 0-degree Seatpost alloy two-bolt 30.9x260mm Saddle Liv Grit Core Lite Pedals Platform Rear Derailleur MicroSHIFT Acolyte super short cage for increased ground clearance with spring lock Shifters MicroSHIFT Acolyte 1x8 quick trigger shifter with small hand ergonomics and indicator with index thumb operation Brakes Tektro HD-J2820 hydraulic [F]160 mm [R]160 mm rotors Brake Levers Tektro HD-J2820 Cassette Shimano CS-H083 11x38 Chain KMC X8.1 Crankset ProWheel forged alloy 30t 105 mm Bottom Bracket Threaded cartridge Rims Giant TRA 2 20" alloy Hubs [F] Giant Tracker QR 6-bolt [R] Giant Tracker thru-axle 6-bolt HG driver body Spokes Stainless 14g Tyres Kenda Amrak 20x2.2" Every effort has been made to ensure accuracy throughout this website. However Giant reserves the right to change bike specifications features prices and colours without prior notice.