Odyssey Quick Change 1 1/8 x 135mm Stem & Adapter Silver. This unique old school stem set up is great! 6061 T-6 aluminum tubular stem with a silver quill adapter. The stem extension is 135mm with a 0 degree rise and a 1 1/8" fork tube with a 25.4mm handlebar clamp. This stem can convert your bike from a cross country or for downhill racing events in just a few minutes. This stem lets you leave all your equipment on your handlebars during while you convert your bike. The kit includes the stem & adapter quill for use with all conventional and threadless headsets. A blast from the past, brand new and ready for installation. This item has limited stock.