High-performance stem designed for 31.8mm bars. Our stem is one of the shortest options available, making it ideal for the latest generation of longer bikes and wider bars. It is built to withstand the demands of rugged mountain riding. The Spank SPIKE Race 2 Stem, in a 35mm black burly design, has a chamfered bar-clamp zone to minimize stress risers and enhance the fatigue life of handlebars. It is CNC weight optimized specifically for 31.8 bars.