The Alpha Four MkI is the previous-generation Alpha Four, Prevelo's 24-inch geared bike for riders roughly 7 to 11 years old. This page is kept as a reference for existing owners. The Alpha Four MkI is no longer in production.

Wheel size: 24 inches
Recommended age: about 7 to 11 years

Looking for the current version? See the Alpha Four, or browse the full Alpha series.