i'm using a 500W Crystalyte front hub motor in the 16"wheel on my BOB trailer. The 36V Lit-Ion battery is mounted to the trailer deck and still provides me with plenty of cargo space for all my tour equipment. The torque is adaquate and when regulated through the throttle can push up most surfaces. I've been able to achieve over 120K on a single charge while using the motor sparingly, mainly on hills.
Last edited by Trikin'; 04-13-13 at 10:30 AM.