Tonneau covers with better load capacity
When it comes to tonneau covers that offer maximum access to your truck bed, most folks will entertain a retractable tonneau cover like the RollBak. One thing which is oftentimes overlooked with a retractable tonneau cover howver, is the fact that in order for the cover to retract it has to run on a set of rails. These rails generally work great, however they do affect the width of the truck bed. That's because most retractable tonneau covers rails extend inwards inside the bed. This can preclude the use of valuable accessories such as bed extenders, certain types of toolboxes etc.
BakFlip tonneau covers take up less space
A BakFlip tonneau cover is cut to follow the exact lines and contours of the truck bed. As such, the BakFlip sits on a rail that's less than an inch in thickness, ensuring that in addition to being the worlds only tonneau cover to offer full access to your truck bed, it also takes up less space from side to side. This added advantage renders the BakFlip the choice of folks world wide who rely on accessories such as bed extenders or who generally just need all the width and length that they can get out of their pickup truck.