How does the tubular clincher tyre work when inflated the tubular clincher see image below in the same way as a tubular is pressed towards the rim simultaneously the bead blocks of the profiled rubber band spread out embedding on the rim shoulders and eliminating any rotation of the tubular clincher against the rim as well as the possibility of the tubular clincher unseating as the tubular clincher is inflated the band side literally 39bite39 into the rim shoulders benefits of