i wuld think it wuld be the 5/32 one but im not 100% sure but since its the smaller size i think it wuld fit ill try to find out for u
edit:1/4" lower ball bearings with an oversized forged chromoly cup and crown race. Top cup is standard for use with both the ORYG and GYRO. 1-1/8". (6.7 oz)...