My son has 7 years old, what is the right size board for him?

Tech Specs:

Lengths:

80cm, 90cm, 100cm, 110cm, 115cm, 120cm, 125cm, 130cm 

Shape:

Twin 

Flex:

1 (out of 3 on manufacturer’s kids scale) 

Camber:

Rocker 

Effective Edge:

[115cm] 835mm 

Waist Width:

[115cm] 213mmSidecut Radius: [115cm] 5.21m 

Stance Width:

[115cm] 38cm (15in) 

Stance Setback:

Centered 

Core:

Fly (wood with negative profile) 

Base:

Extruded 

Recommended rider weight:

[80cm] 35-45lbs; [90cm] 35-45lbs; [100cm] 35-60lbs; [110] 40-70lbs; [115] 45-85lbs; [120cm] 45-85lbs; [125] 50-95lbs; [130cm] 60-110lbs 

Recommended Use:

Groms who are just starting out 

Manufacturer Warranty:

1 Year