I have the K5000's, and one problem with them is if you dont keep on top of maintaining the studs you're screwed, no pun intended. The studs screw into the sole with a hex head "bolt", and once they corrode they're not coming out. I just got some repalcement studs, but the old ones are frozen in. I cant do the retro fit because the old ones are stuck in --- unless I have them drilled out. The straps are also attached to the sandal in a way that makes them hard to fix once they wear through from abrasion on the side.
I plan to get the K1100's and do the DZ retrofit once the studs wear down. I got a look at Dennis' last year on BI. Basically, replace all the studs with stainless steel bolts and nuts; replace the lace loops with split pieces of looped garden hose, bolted to the sandal; replace the laces with hockey skate laces. 10X better than stock. There was a thread about the mod last year.
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