Topre spacebars are notoriously hard to manufacture; during the cooling process, they are prone to warping, bending, etc. Because of this, all topre keyboards come with ABS spacebars, which have a more consistent quality to them but is also of a plastic that most people consider "inferior" (it doesn't give the same, deep "thock" sound that people love about the topre and is prone to shining). So, we topre breed spend excessive amounts of money...