A good middle ground, turns but not too wobbly, a little shorter for quicker pop.
And they weigh less...Wait...they're hollow too? Someone please buy these, they're feeling empty inside.
147s fit best on boards 7.9"-8.12"
148s fit best on boards 8.12"-8.38"
149s fit best on boards 8.38"-8.62"
151s fit best on boards 8.62" and up
