Forged AL6061-T6 alloy construction Built-in cable stop 25.4mm clamp diameter 2-bolt faceplate 180mm long quill Polished finish with laser etched graphics Great for classic MTB and touring bikes ISO-Mountain safety certified Mountain Quill 22.2mm 85 25.4 30? Sil AL6061-T6 Polished 180mm 1`UPC/EAN/GTIN: 072774583751