Originally Posted by RickB
Got it. The Whatever 158 Wide is 26.3 at the waist and 27.3 at the center inserts. That gives you 1 mm of overhang a zero degrees and with any angle at all you will be within the confines of the edges. a 10 degree angle would put you about 1 cm shy of the edges. You don't want that.
The 159 is 254 waist and 264 center insert. That gives you a centimeter at zero degrees and plenty of room for angle which will result in better leverage, more power, and more fun!