$799.00
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
Flat-mount rear caliper tucked within the frame for protection
At just ~19.6 lb, the Alpha Four Mk III delivers nimble agility, climbing ability, and range—without outgrowing your kid any time soon.
Skip the cardboard box. Your bike arrives fully assembled, safety-checked, and tuned by a professional mechanic. We deliver directly to your driveway in Central Texas (Tuesdays & Saturdays) and adjust the seat height for your child on the spot.
Ride with peace of mind. All bikes come with the full Manufacturer Warranty (depending on brand). Plus, every purchase includes our local 1-Year Service Plan—if the brakes rub or the chain squeaks, we fix it for free. Click here for full warranty information
We want your child to love the ride.
Standard Fleet (Woom, Strider, Commencal Ramones): 30-Day Free Exchange or Return.
Special Order (Commencal Meta & Commencal Clash): 14-Day Return window (subject to 15% restocking fee).
Bikes must be in new condition.
