Burton
Squeezebox
Flex: Zoned core profiling
What it means
Alternating thick/thin core zones transfer rider energy to tip and tail for snap and stability.
Normalized spec: Flex
Normalized stiffness from 1 (soft, playful, forgiving) to 10 (stiff, stable at speed, demanding).
Canonical URL: http://localhost:3000/glossary/burton-custom-x-2025-squeezebox