New 2016 Diamondback Line 24 Complete Pavement Bike Aluminum frame for lightweight durability designed to fit ages 8 to 12 or 53 to 62 inches tall SR Suntour XCT JR helps soak up bumps with 80mm of travel SRAM 1x8 speed drivetrain with chain guide provides ample gearing yet keeps shifting simple Tektro Aries mechanical disc brakes have adjustable reach levers for growing hands Pedals included; limited lifetime warranty on the frame for as long as the original retail purchaser owns the bicycle