The 3D is a 24mm axle machined version of the crank. dan original post is the 3DF which is a 30mm axle forged and machined version ..
Assuming you actually have a 3D then it should work with a Shimano BB like the seller said
@Oswald started
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The 3D is a 24mm axle machined version of the crank. dan original post is the 3DF which is a 30mm axle forged and machined version ..
Assuming you actually have a 3D then it should work with a Shimano BB like the seller said