I will leave the chain at my workplace and carry the U Lock around with a long Kryptonite Kryptoflex 7ft to secure the wheels.

What do you think? Are these the best options I have?

U lock
http://www.evanscycles.com/product.jsp?style=12366

Chain lock
http://www.evanscycles.com/product.jsp?style=11053




I also saw the more expensive versions which would be these 2 but I think the above will be ok for me since I’m already stretching my budget.

U lock
http://www.evanscycles.com/product.jsp?style=12368

Chain lock
http://www.evanscycles.com/product.jsp?style=12370