Park Tool Single Speed SpannerThis is a demonstration store. You can purchase products like this from Pure Fix Cycles The great thing about a single speed is simplicity, right? Low maintenance, fewer parts, everythings just plain easier and now theres a tool to match! The Park Tool Single Speed Spanner features a 15mm socket wrench for wheel bolts, a 15mm open wrench for pedals, a tire lever and, most importantly, a bottle opener! Everything you need to change a flat and pop open