The stem bodies are extruded and CNC-machined from the highest quality 6061-T6 aluminum. The top clamps are cold forged and CNC-machined for increased stiffness and strength. Despite their size and girth, Delta stems weigh less than many standard size 22.2 stems. A 53-millimeter stem weighs just 299 grams/10.55 ounces.
Available with 48-, 53- and new 60-millimeter extensions in anodized red, blue, gold and black with laser-etched graphics and six chromoly bolts. Meets or exceeds ENBMX Category 1 standards. Delta stems only fit handlebars with 31.8 Ø clamp diameter.