Topeak Urban 8 Mini Tool Handy 8 function multi tool designed for urban/single speed bike with nut type hubs High strength stainless steel body for heavy duty use and corrosion resistance Tool mounts easily to frame bottle cage mounts with included tool free bolts Tools 4/5mm Allen,15mm Box wrench,14g/15g spoke wrenches, 2 tire levers and bottle opener Weight 80g/2.8oz