Trek Precaliber 24 8-Speed Suspension is a versatile kids' bike built for young adventurers who love riding off the the road and into the dirt. It has a sturdy yet light aluminium frame with a performance suspension fork and an 8-speed drivetrain perfect for racing home from school, zipping through the woods and riding trails and paths with family. For kids aged 8-12, between 129.5 - 149.8 cm (51-59˝) tall.