Alpha Three
Category: Bike
The Alpha Three Mk III is a lightweight, 20" geared bike designed for confident young riders ages 5 to 9. Built for adventures on pavement, paths, and light trails, it delivers refined performance, intuitive handling, and a fit that respects growing riders’ proportions.
Key features:
- 8-speed Microshift drivetrain with wide 11–38T gearing and clutched derailleur
- Promax hydraulic disc brakes for consistent, low-effort stopping
- Tubeless-capable double-wall rims
- 20×1.5" Kenda tires
- Integrated handlebar and stem for a clean, ergonomic cockpit
- Rider Supply pod mounts for top tube bag compatibility
- Lightweight aluminum frame with kid-optimized geometry and internal cable routing
Mk III upgrades over Mk II:
- Hydraulic disc brakes
- Clutched Microshift derailleur for secure, silent chain retention
- Tubeless-ready wheels for fewer flats and better traction
- One-piece bar/stem with recessed bolts for a streamlined, snag-free setup
- Rider Supply pod mounts for strap-free gear carrying
At just 16.9 pounds, the Alpha Three Mk III blends low weight with high capability—ready for kids who want to ride further, shift smarter, and stop with confidence.
Before you pay
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When it ships
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.
Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.
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View policyDelivery costs
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Standard Shipping · United States: $0.00
Express Shipping · United States: $3.99
View policyReturning an item
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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.
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