I was wondering how this board will feel in terms of flex and if it will be too long if i chose the 149'

I'm about 5'6 and weight around 135lb.

Also, how would this compare to the Stepchild JP Walker 2010?

Thank you!

Tech Specs:

Lengths:

149cm, 152cm, 155cm, 158cm 

Shape:

Twin 

Effective Edge:

[155cm] 1190mm 

Waist Width:

[155cm] 250mm 

Sidecut Radius:

[155cm] 7.9m 

Stance Width:

[155cm] 58.4cm (23in) 

Stance Setback:

Centered 

Core Material:

Poplar 

Base:

Extruded 

Recommended Use:

All-mountain freestyle 

Manufacturer Warranty:

1 Year