Product details: rock-solid stem and faceplate made from 3d forged 6061 aluminium, a combination proven to increase strength without a weight penalty the forged’ method of manufacturing is significantly stronger than cast’ but requires less material, resulting in a stiffer and lighter stem because correct stem length is vital for a comfortable bike position and good handling, the cls stem comes in various sizes easily flips to give a 5 rise or drop depending on your aerodynamic ambitions scm-435 steel bolts adds further strength while offering a secure fit fits 28.6Mm steerers and 31.8Mm bar clamps weighs 110g 100mm key features: made for road racing, sportive riding and cyclocross material: 6061 forged aluminium bolts: scm-435 rise: - 5 clamp diameter: 31.8Mm steerer clamp: 28.6Mm stack height: 40mm weight: 110g 100mm option reliability: controltech usa knows the combination of sound engineering and high-quality materials practically guarantees the lifelong performance you expect. They never compromise our designs at the expense of low-quality materials. They use only premium grade raw material of aerospace quality. Ingenuity: controltech is, and always has been, a global leader in component design. The state-of-the-art manufacturing technology would be nothing without the cutting-edge innovation of our global research & development team. Quality: a precise, unflinching view of manufacturing tolerances and meticulous craftsmanship are the hallmarks of controltech compo...