Sinitized rubber version & the black standard rubber which I found had the better stopping powerFrankenorange":2nt32qo7 said:Good to hear. I remember my kronos brakes were shockingly bad on my lopro. I had the kronos levers on a road bike cum tt bike and they worked very well with the weinmann calipers so figured it was something about the calipers. Do you kkow if there were different compounds available for the kronos caliper? I cant remember if there were.