The Profile Acoustic Stem is built with a hollowed body and recessed cutouts to shave weight without sacrificing strength. If you want to save even more weight the bolts are easily replaceable with Titanium. Made from 100% CNC machined 6061 aluminium and available in either a 48mm or 53mm reach. .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; } ###section### Product Specs TYPE: 22.2mm REACH: 48mm or 53mm RISE: 8.6mm CLAMPING DIAMETER: Front Load WEIGHT: 272g (9.59oz) - 288g (10.15oz)