im 5'9'' 175lbs size 12 need to know 156 or 154w for park

Tech Specs:

Shape:

twin 

Flex:

medium (5 of 10 on Forum scale) 

Camber:

hybrid (Doubledog) 

Effective Edge:

[154 cm ] 1178 mm; [156 cm ] 1194 mm; [158 cm ] 1214 mm 

Waist Width:

[154 cm ] 253 mm; [156 cm ] 254 mm; [158 cm ] 256 mm 

Sidecut Radius:

[154 cm ] 7760 mm; [156 cm ] 7850 mm; [158 cm ] 8020 mm 

Stance Width:

[154 cm] 22.5 in; [156 cm] 23 in; [158 cm] 23 in 

Stance Setback:

0 in 

Core:

aspen blend 

Base:

sintered 

Recommended Rider Weight:

[154 ] 140 - 200 lb; [156 ] 140 - 200 lb; [158 ] 155 - 210+ lb 

Recommended Use:

freestyle 

Manufacturer Warranty:

2 years