Buy a cheap but decent rear fixed hub, OnOne etc..., disassemble one of the front wheels you have and take the rim down to one of the Cov cycle shops and they'll build it up for you. Might work out cost effective and you should end up with a solid wheel.
Buy a cheap but decent rear fixed hub, OnOne etc..., disassemble one of the front wheels you have and take the rim down to one of the Cov cycle shops and they'll build it up for you. Might work out cost effective and you should end up with a solid wheel.