Stems by Funn. Details:FUNN MTB is proud to present the all new Crossfire Stem! Designed in house by our rider/designer/engineer, every section of the Crossfire stem is true to form and function. Made with 6061 alloy, the Crossfire stem is forged for ultimate strength and CNC'd to precision. The Crossfire stem has 6 anodized colors to choose from to match your beloved mountain bicycle! Pump it / whip it / send it hard with Crossfire Stem!