Provides the foundational 4-wheel setup for small wheel beginnings and TRANSFORMS into the 3-wheel configuration for built-in age and skill level upgrade!

CONFIGURATION: 3 wheels 110mm or 4-wheels 90mm 

COMPATIBILITY: 155-165mm

LENGTH: 10.6, 11.2

MATERIAL: 6000-series Aluminium Alloy, Semi-Solid Extrusion