The disc-brake version of the XtC Jr. gives added control for more Advanced trails and conditions. With its lightweight aluminum frame, front suspension, and fast-rolling 24-inch wheels, he�s ready to roll on off-road adventures.Sizes One SizeColors Gray / Neon Red / BlackFrame ALUXX-Grade AluminumFork HL Alloy(CH565), 50mm travel, alloy monocoque lower, lockoutShock N/AHandlebar Giant Sport alloy, low rise 31.8mm, 640mmStem Forged Alloy Ahead, 8-DegreeSeatpost alloy single-bolt, 27.2x300mmSaddle Giant Grow Technology Jr. SportsPedals one-piece black PP, 9/16Shifters Shimano RS35Front Derailleur Shimano TourneyRear Derailleur Shimano AltusBrakes Tektro TKB172 140mm RotorsBrake Levers alloy, Junior MTBCassette 14x34Chain KMC HV500Crankset Alloy 42/34/24 w/CG x 152mmBottom Bracket semi-cartridgeRims Giant Kids 24, 6061 aluminum,Hubs Joytech Disc brake, 28HSpokes stainless, 14GTires Giant Junior Lite Sport, IA-2549 24x1.95', 33 TPIExtras bell, kickstandWeight The most accurate way to determine any bike�s weight is to have your local dealer weigh it for you. Many brands strive to list the lowest possible weight, but in reality weight can vary based on size, finish, hardware and accessories. All Giant bikes are designed for best-in-class weight and ride quality.