Eclat's Domain Stem is their latest front load design, constructed from 6061-T6 alloy & fully CNC machined for maximum durability. To keep weight down offset rear machining & maximum underside machining remove excess material to maximise weight savings without ever sacrificing strength. If you're looking for a simplistic, refined design that's not going to let you down when it matters most, go for the Domain. section Product Specs TYPE: Top Load REACH: 48mm RISE: 34mm CLAMPING DIAMETER: 25.4mm WEIGHT: 326g (11.52oz)