New 2015 Diamondback Sync'r 24 Complete Youth Bike 6061 aluminum alloy frame with replaceable derailleur hanger for durability Low slung geometry and 24" wheels for maneuverability and nimble handling Sr sun tour XCR 24" suspension fork helps soak up bumps 9-Speed scram drivetrain with gravity step up cranks provide great range of gears Stout DB xc260 24" wheels are built to take abuse