The Alpha Four Mk III is a versatile, 24? geared bike crafted for confident riders ages 7 to 11. Designed to handle paved routes, paths, and light trails, it blends trail-ready performance with youth-friendly ergonomics. Key features: 8-speed Microshift Acolyte drivetrain with wide 11–38 T cassette and clutched derailleur Promax hydraulic disc brakes for smooth, consistent stopping Tubeless-ready double-wall 24? rims paired with Kenda Small Block Eight tires Rider Supply Pod mounts for easy access to snacks and tools Kid-optimized HEIR crankset and narrow Q-factor for efficient pedaling Mk III upgrades over Mk II: Hydraulic disc brakes Clutched Microshift derailleur for better chain security on rough terrain Tubeless capable double wall rims Rider Supply pod mounts for strap-free gear carrying At just ~19.2 lb, the Alpha Four Mk III delivers nimble agility, climbing ability, and range—without outgrowing your kid any time soon.