This high-quality stem features a durable alloy construction that's put through a CNC-machining process, so you can benefit from its exceptional strength without any excess grams. FSA has also kitted out this model with Cr Mo (chromoly) hardware, which allows it to deliver a rock-solid hold on the most demanding of rides. Manufacturer's Part Numbers: 90mm: 175-0032040010; 70mm: 175-0032038010; 100mm: 175-0032041010; 110mm: 175-0032042010; 120mm: 175-0032043010 & 130mm: 175-0032087010