• Material: Aluminum 2014-T6, 'one-piece-construction' • Cold forged• Offset: 15 mm• 2 bolts 'low profile' -patented head• 'micro-adjustment' twist button• Length: 300 / 350 / 400 mm• Diameter: Ø 27.2 / 30.9 / 31.6 mm• Weight: approx. 260 g (Ø 31.6 x 350 mm)